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单词 gradient
释义

Definition of gradient in English:

gradient

noun ˈɡreɪdɪəntˈɡreɪdiənt
  • 1An inclined part of a road or railway; a slope.

    fail-safe brakes for use on steep gradients
    Example sentencesExamples
    • Conditions were heinous, the largely off-trail section proving unrideable due to dense forest, boggy peat, streams, briars, bushes and steep gradients.
    • On the upper part of the mountain the gradient was so steep that climbers had to lean forward to prevent overbalancing.
    • The rise in altitude from 6,000 ft to double that was reached via heartstoppingly steep gradients and hairpin bends.
    • For traffic driving east, the road descends down a gradient of 0.023 through a wooded area with trees overhanging the road on both sides.
    • Their gradients are not steep enough to make a driver slow down any more than he would anyway at a road junction.
    • I hurtle past people carrying bags of shopping going uphill; the gradient is so steep I fear they will graze their noses on the tarmac.
    • Road sections which included steep gradients, major drainage structures and thick chip seal surface layers were normally excluded.
    • A clanking, wheezing locomotive went past the cabin climbing the steep gradient.
    • A fountain and water channel will see water flowing in spirals down the steep gradient of the street.
    • This is a proper offroad vehicle - it climbed steep gradients with ease, using the tiptronic manual gear selector, and descended safely without the need to touch the pedals.
    • The Keoghs, realising that their present house, built as it is on a steep gradient, is most unsuitable for a wheelchair user, decided to apply for the transfer.
    • Its high mobility enables it to climb steep gradients and sizeable steps.
    • The gradient is steep to begin with as the road goes through sharp bends.
    • Dangerous inclines, gradients and sharp curves add to the mess.
    • Narrow-gauge locomotives were relatively small, and steep gradients and sharp curves reduced train speeds.
    • The drive up the two lane mountain road with excellent gradients is 13 km.
    • A hundred hand-cut granite steps were laid to negotiate the steep gradient leading up from the riverbank, to a walk back through the top of the bluebell wood.
    • As we left Girvan, with the sun shining, the wind blowing in its usual and helpful easterly direction, we climbed away from the town on a good open track which, despite the steep gradient, added to a sense of keen anticipation.
    • By following the ridge of the city's hills, it provides tolerable gradients and avoids steep inclines, which proliferate in the city's side streets.
    • To go over the Andes by rail entailed very steep gradients indeed, and when I come to write about rack railways I will come back to them.
    Synonyms
    slope, incline, hill, rise, rising ground, bank, ramp, acclivity
    drop, descent, declivity
    North American grade
    1. 1.1 The degree of a slope.
      the path becomes very rough as the gradient increases
      Example sentencesExamples
      • Therefore if Cross-rail precedes electrification, then diesel units would be used for cross-city services which would easily negotiate the gradients and angles.
      • It's going to be interesting, especially with the variable, the gradient and the angle of the circuit, I think it's going to maybe give some people a bit of grief, but we'll have to see in the next couple of days, I guess.
      • The lower 150m section has a gentle gradient of 12 degrees providing an ample and safe area to test out those first turns.
      • It had a gradient of about 45 degrees and was strewn with loose rocks and boulders.
      • Chen said the council's plan is to ban the planting of betel trees on mountainsides with a gradient of more than 30 degrees.
      • Mountain trails typically have gradients of 15, 20, and 25 degrees.
      • It is 12.4km long and has an average gradient of 4.5 per cent.
      • After completing two minutes at a fairly easy pace, increase the resistance and raise the gradient to 20 percent.
      • Fair enough, Edinburgh is far from flat… but the I lived in Cambridge for 7 years, so I think mole hills should have a road sign denoting their gradient.
      • It is a steep, cobbled climb, with a maximum gradient of 20 percent.
      • The forest stands characterized by steep slopes and high gradients supported the highest basal area of hemlock.
      • If your Honours go to paragraph 2.1, you will see that the plaintiff was injured in this case when he fell on a section of a driveway which had a gradient of 47 per cent.
      • When the gradient of the river increases, the water flows faster and faster, until finally it breaks up into a white-water rapid.
      • He also said that the last mountain proved to be the biggest challenge because it meant walking at a constant gradient to a height of nearly 6,000 feet.
      • The distance is about 65 kilometres and the rising gradient averages less than one per cent.
      • Humidity hovered around 95 per cent and track gradients of greater than 1: 1 were the norm.
      • The rocks below provide firm foundations; they also dictate the gradient of a road, the placing of a church, the space available for a terrace or hanging garden.
      Synonyms
      steepness, angle, slant, slope, inclination, leaning
    2. 1.2Mathematics The degree of steepness of a graph at any point.
      Example sentencesExamples
      • Let's choose the point x = 3, and try to decide what it means for the curve to have a gradient at the point.
      • Differentiation is a method of working out the gradient of a curve - how quickly one variable changes with respect to another.
      • In a moment we will demonstrate what the gradient of the curve at a point is, by examining a limiting argument.
      • The abrupt changes in gradient visible in the graph are caused when the number of relevant genetic backgrounds i max changes from one integer value to the next.
  • 2Physics
    An increase or decrease in the magnitude of a property (e.g. temperature, pressure, or concentration) observed in passing from one point or moment to another.

    Example sentencesExamples
    • I assure you, however, I have accurately mapped the topological surface density and transitional energy gradients of the timeline in question.
    • Distinct gradients in pressure were observed throughout the contact area.
    • We observed a gradient in the depth of the selective sweep, which becomes progressively deeper as you get nearer to the gene.
    • We investigated the influence of temperature gradients between different mound heights on CO 2 concentrations.
    1. 2.1 The rate of such a change.
    2. 2.2Mathematics The vector formed by the operator ∇ acting on a scalar function at a given point in a scalar field.

Origin

Mid 19th century: from grade, on the pattern of salient.

Rhymes

irradiant, radiant
 
 

Definition of gradient in US English:

gradient

nounˈɡrādēəntˈɡreɪdiənt
  • 1An inclined part of a road or railway; a slope.

    fail-safe brakes for use on steep gradients
    Example sentencesExamples
    • Its high mobility enables it to climb steep gradients and sizeable steps.
    • As we left Girvan, with the sun shining, the wind blowing in its usual and helpful easterly direction, we climbed away from the town on a good open track which, despite the steep gradient, added to a sense of keen anticipation.
    • On the upper part of the mountain the gradient was so steep that climbers had to lean forward to prevent overbalancing.
    • For traffic driving east, the road descends down a gradient of 0.023 through a wooded area with trees overhanging the road on both sides.
    • A fountain and water channel will see water flowing in spirals down the steep gradient of the street.
    • The rise in altitude from 6,000 ft to double that was reached via heartstoppingly steep gradients and hairpin bends.
    • A clanking, wheezing locomotive went past the cabin climbing the steep gradient.
    • I hurtle past people carrying bags of shopping going uphill; the gradient is so steep I fear they will graze their noses on the tarmac.
    • The drive up the two lane mountain road with excellent gradients is 13 km.
    • Dangerous inclines, gradients and sharp curves add to the mess.
    • Narrow-gauge locomotives were relatively small, and steep gradients and sharp curves reduced train speeds.
    • Their gradients are not steep enough to make a driver slow down any more than he would anyway at a road junction.
    • Conditions were heinous, the largely off-trail section proving unrideable due to dense forest, boggy peat, streams, briars, bushes and steep gradients.
    • The Keoghs, realising that their present house, built as it is on a steep gradient, is most unsuitable for a wheelchair user, decided to apply for the transfer.
    • By following the ridge of the city's hills, it provides tolerable gradients and avoids steep inclines, which proliferate in the city's side streets.
    • Road sections which included steep gradients, major drainage structures and thick chip seal surface layers were normally excluded.
    • To go over the Andes by rail entailed very steep gradients indeed, and when I come to write about rack railways I will come back to them.
    • This is a proper offroad vehicle - it climbed steep gradients with ease, using the tiptronic manual gear selector, and descended safely without the need to touch the pedals.
    • The gradient is steep to begin with as the road goes through sharp bends.
    • A hundred hand-cut granite steps were laid to negotiate the steep gradient leading up from the riverbank, to a walk back through the top of the bluebell wood.
    Synonyms
    slope, incline, hill, rise, rising ground, bank, ramp, acclivity
    1. 1.1 The degree of a slope.
      the path becomes very rough as the gradient increases
      Example sentencesExamples
      • Fair enough, Edinburgh is far from flat… but the I lived in Cambridge for 7 years, so I think mole hills should have a road sign denoting their gradient.
      • Humidity hovered around 95 per cent and track gradients of greater than 1: 1 were the norm.
      • Mountain trails typically have gradients of 15, 20, and 25 degrees.
      • If your Honours go to paragraph 2.1, you will see that the plaintiff was injured in this case when he fell on a section of a driveway which had a gradient of 47 per cent.
      • He also said that the last mountain proved to be the biggest challenge because it meant walking at a constant gradient to a height of nearly 6,000 feet.
      • It is 12.4km long and has an average gradient of 4.5 per cent.
      • The rocks below provide firm foundations; they also dictate the gradient of a road, the placing of a church, the space available for a terrace or hanging garden.
      • It had a gradient of about 45 degrees and was strewn with loose rocks and boulders.
      • Chen said the council's plan is to ban the planting of betel trees on mountainsides with a gradient of more than 30 degrees.
      • When the gradient of the river increases, the water flows faster and faster, until finally it breaks up into a white-water rapid.
      • Therefore if Cross-rail precedes electrification, then diesel units would be used for cross-city services which would easily negotiate the gradients and angles.
      • It's going to be interesting, especially with the variable, the gradient and the angle of the circuit, I think it's going to maybe give some people a bit of grief, but we'll have to see in the next couple of days, I guess.
      • It is a steep, cobbled climb, with a maximum gradient of 20 percent.
      • After completing two minutes at a fairly easy pace, increase the resistance and raise the gradient to 20 percent.
      • The lower 150m section has a gentle gradient of 12 degrees providing an ample and safe area to test out those first turns.
      • The forest stands characterized by steep slopes and high gradients supported the highest basal area of hemlock.
      • The distance is about 65 kilometres and the rising gradient averages less than one per cent.
      Synonyms
      steepness, angle, slant, slope, inclination, leaning
    2. 1.2Mathematics The degree of steepness of a graph at any point.
      Example sentencesExamples
      • In a moment we will demonstrate what the gradient of the curve at a point is, by examining a limiting argument.
      • The abrupt changes in gradient visible in the graph are caused when the number of relevant genetic backgrounds i max changes from one integer value to the next.
      • Differentiation is a method of working out the gradient of a curve - how quickly one variable changes with respect to another.
      • Let's choose the point x = 3, and try to decide what it means for the curve to have a gradient at the point.
  • 2Physics
    An increase or decrease in the magnitude of a property (e.g. temperature, pressure, or concentration) observed in passing from one point or moment to another.

    Example sentencesExamples
    • We investigated the influence of temperature gradients between different mound heights on CO 2 concentrations.
    • Distinct gradients in pressure were observed throughout the contact area.
    • I assure you, however, I have accurately mapped the topological surface density and transitional energy gradients of the timeline in question.
    • We observed a gradient in the depth of the selective sweep, which becomes progressively deeper as you get nearer to the gene.
    1. 2.1 The rate of a gradient change.
    2. 2.2Mathematics The vector formed by the operator ∇ acting on a scalar function at a given point in a scalar field.

Origin

Mid 19th century: from grade, on the pattern of salient.

 
 
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更新时间:2024/9/21 4:26:13