英语词汇“switching-eye”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

attributive and in other combinations: spec. (a) used in switching hedges, etc., as switching-bill, switching-knife; (b) used in or for shunting on a railway, as switching-engine or -locomotive, switching-eye (see quot. a1884), switching-ground; switching yard n. = switchyard n. (a) at switch n. Compounds 2. (c) used for connecting electric circuits, as switching-plug; pertaining to the switching of electrical apparatus or electronic devices, as switching centre, switching circuit, switching speed, switching station, switching theory, switching time. Also switching angle n. Gunnery the angle between the lines of fire of the directing gun when the latter is brought to bear on the left of the new target.

ΘΚΠ

society > travel > rail travel > rolling stock > [noun] > locomotive > steam locomotive > used for shunting

pony engine1864

pug1872

switching-engine or -locomotive1875

switcher1882

switch-engine1896

society > armed hostility > military equipment > operation and use of weapons > action of propelling missile > discharge of firearms > [noun] > line of fire > angle between lines of fire

switching angle1907

1844 H. Stephens Bk. of Farm I. 224 He handles the small cutting-axe and switching-knife with the force and neatness with which a dragoon wields his sabre.

1844 H. Stephens Bk. of Farm II. 563 This operation is performed with the switching-bill.

1871 C. Darwin Descent of Man II. xiii. 64 The Scolopax Wilsonii of the United States makes a switching noise whilst descending rapidly to the earth.

1875 E. H. Knight Pract. Dict. Mech. Switching-engine, a yard-engine, or donkey-engine, used about a station or depot for making up trains or moving engines which have not steam up.

1882 Sun 14 May 6/6 A large freight-engine with tender..had been at switching work.

a1884 E. H. Knight Pract. Dict. Mech. Suppl. 876/2 Switching Eye (Railway), a cast-iron socket on the corner of a freight-car, to which a chain or push-bar may be applied by an engine on an adjoining track. Switching-in Plug (Electricity), a plug having its two brass sides insulated from each other by a strip of hard rubber [etc.].

1894 Daily Ardmoreite (Ardmore, Chickasaw Nation) 28 Mar. 1/8 There came very near being a disastrous collision..in the upper switching yards of the Santa Fe.

1897 R. Kipling Captains Courageous viii. 179 The familiar noise of a switching-engine coughing to herself in a freight-yard.

1907 H. A. Bethell Mod. Guns 173 For large angles..the switching angle must be calculated or measured..with the field plotter.

1939 H. J. Reich Theory & Applic. Electron Tubes xii. 459 Two high~vacuum amplifier tubes..are alternately overbiased by the voltage drop through the anode resistors of the switching circuit.

1959 J. M. Pettit Electronic Switching iii. 73 The switching speed of a triode in ordinary circuits is impaired by capacitances rather than by transit time of electrons in the tube.

1960 McGraw-Hill Encycl. Sci. & Technol. XIII. 357/1 The bulk of switching theory is concerned with circuits made of binary (two-valued) devices, since these are most common.

1960 R. S. Ledley Digital Computer & Control Engin. xxi. 697 The value of Rc can be estimated by means of considerations concerning the switching time of the core, the time τ required to switch or flip a core.

1962 B.B.C. Handbk. 113 The EBU is responsible for the coordination of the programme, legal, and technical aspects of Eurovision, and operates the switching centre in Brussels.

1968 ‘E. McBain’ Fuzz xii. 188 Into this substation ran high~voltage supply cables (‘They're called feeders,’ Ahmad said) from a switching station.

1969 Jane's Freight Containers 1968–9 116/3 Progress has been made in reducing the time cars spend in switching yards.

1973 Times 30 Oct. 1/2 Engineers who man power stations and switching centres will refuse to turn out if a breakdown or other difficulty arises while they are off duty.

1977 Sci. Amer. Sept. 212/3 Switching theory, which was developed to help design the relay-operated switching networks of automatic telephone systems, provided guides that enabled a designer to formulate a network with the minimum number of relays for accomplishing some given logical operation.

1978 Sci. Amer. Mar. 61/2 (caption) Supervisory and switching circuits in the central office connect the two sets for the conversation and disconnect them when the call is over.

单词	switching-eye
释义	> as lemmas switching-eye attributive and in other combinations: spec. (a) used in switching hedges, etc., as switching-bill, switching-knife; (b) used in or for shunting on a railway, as switching-engine or -locomotive, switching-eye (see quot. a1884), switching-ground; switching yard n. = switchyard n. (a) at switch n. Compounds 2. (c) used for connecting electric circuits, as switching-plug; pertaining to the switching of electrical apparatus or electronic devices, as switching centre, switching circuit, switching speed, switching station, switching theory, switching time. Also switching angle n. Gunnery the angle between the lines of fire of the directing gun when the latter is brought to bear on the left of the new target. ΘΚΠ society > travel > rail travel > rolling stock > [noun] > locomotive > steam locomotive > used for shunting pony engine1864 pug1872 switching-engine or -locomotive1875 switcher1882 switch-engine1896 society > armed hostility > military equipment > operation and use of weapons > action of propelling missile > discharge of firearms > [noun] > line of fire > angle between lines of fire switching angle1907 1844 H. Stephens Bk. of Farm I. 224 He handles the small cutting-axe and switching-knife with the force and neatness with which a dragoon wields his sabre. 1844 H. Stephens Bk. of Farm II. 563 This operation is performed with the switching-bill. 1871 C. Darwin Descent of Man II. xiii. 64 The Scolopax Wilsonii of the United States makes a switching noise whilst descending rapidly to the earth. 1875 E. H. Knight Pract. Dict. Mech. Switching-engine, a yard-engine, or donkey-engine, used about a station or depot for making up trains or moving engines which have not steam up. 1882 Sun 14 May 6/6 A large freight-engine with tender..had been at switching work. a1884 E. H. Knight Pract. Dict. Mech. Suppl. 876/2 Switching Eye (Railway), a cast-iron socket on the corner of a freight-car, to which a chain or push-bar may be applied by an engine on an adjoining track. Switching-in Plug (Electricity), a plug having its two brass sides insulated from each other by a strip of hard rubber [etc.]. 1894 Daily Ardmoreite (Ardmore, Chickasaw Nation) 28 Mar. 1/8 There came very near being a disastrous collision..in the upper switching yards of the Santa Fe. 1897 R. Kipling Captains Courageous viii. 179 The familiar noise of a switching-engine coughing to herself in a freight-yard. 1907 H. A. Bethell Mod. Guns 173 For large angles..the switching angle must be calculated or measured..with the field plotter. 1939 H. J. Reich Theory & Applic. Electron Tubes xii. 459 Two high~vacuum amplifier tubes..are alternately overbiased by the voltage drop through the anode resistors of the switching circuit. 1959 J. M. Pettit Electronic Switching iii. 73 The switching speed of a triode in ordinary circuits is impaired by capacitances rather than by transit time of electrons in the tube. 1960 McGraw-Hill Encycl. Sci. & Technol. XIII. 357/1 The bulk of switching theory is concerned with circuits made of binary (two-valued) devices, since these are most common. 1960 R. S. Ledley Digital Computer & Control Engin. xxi. 697 The value of Rc can be estimated by means of considerations concerning the switching time of the core, the time τ required to switch or flip a core. 1962 B.B.C. Handbk. 113 The EBU is responsible for the coordination of the programme, legal, and technical aspects of Eurovision, and operates the switching centre in Brussels. 1968 ‘E. McBain’ Fuzz xii. 188 Into this substation ran high~voltage supply cables (‘They're called feeders,’ Ahmad said) from a switching station. 1969 Jane's Freight Containers 1968–9 116/3 Progress has been made in reducing the time cars spend in switching yards. 1973 Times 30 Oct. 1/2 Engineers who man power stations and switching centres will refuse to turn out if a breakdown or other difficulty arises while they are off duty. 1977 Sci. Amer. Sept. 212/3 Switching theory, which was developed to help design the relay-operated switching networks of automatic telephone systems, provided guides that enabled a designer to formulate a network with the minimum number of relays for accomplishing some given logical operation. 1978 Sci. Amer. Mar. 61/2 (caption) Supervisory and switching circuits in the central office connect the two sets for the conversation and disconnect them when the call is over. extracted from switchingn. < as lemmas
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> as lemmas