单词 | exponential law |
释义 | exponential law [´ek·spǝ`nen·chǝl `lȯ] MATHEMATICS See <<law of exponents>> PHYSICS The principle that growth or decay of some physical quantity is at a rate such that its value at a certain time or place is the initial value times e raised to a power equal to a constant times some convenient coordinate, such as the elapsed time or the distance traveled by a wave; there is growth if the constant is positive, decay if it is negative. |
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