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单词 exponential growth
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exponential growth


exponential growth

[‚ek·spə′nen·chəl ′grōth] (microbiology) The period of bacterial growth during which cells divide at a constant rate. Also known as logarithmic growth. (science and technology) The increase of a quantity x with time t according to the equation x = Ka t , where K and a are constants, a is greater than 1, and K is greater than 0.

exponential growth

change in a variable (e.g. population – see MALTHUS) where the increase is geometric, i.e. at an increasing ratio.

exponential growth

Extremely fast growth. On a chart, the line curves up rather than being straight. Contrast with linear.

exponential growth


log·a·rith·mic phase

exponential, a period in the course of growth of a bacterial culture in which maximal multiplication is occurring by geometric progression; thus, if the logarithms of their numbers are plotted against time, they will form a straight upward line.
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