| 单词 | time derivative |
| 释义 | > as lemmastime derivative time derivative n. Physics and Mathematics a derivative of a variable or function with respect to time.A time derivative is the correlative of a time integral. ΘΚΠ the world > relative properties > number > probability or statistics > [noun] > variable > derivative with respect to time time derivative1881 the world > matter > physics > electromagnetic radiation > electricity > galvanism, voltaism > [noun] > path of current > time-related time derivative1956 1881 Math. Questions & Solutions 34 65 Let an acceleration in any quantity (q) signify its second time-derivative (d2q/dt2). 1956 Nature 11 Feb. 267/1 The passage of electrolytic current through the first coil induces its time-derivative in the second one. 1989 P. Horowitz & W. Hill Art of Electronics (ed. 2) i. 23/1 Unlike resistive current, it's not proportional to voltage, but rather to the rate of change (the ‘time derivative’) of voltage. 2006 F. Wilczek Fantastic Realities 36 Roughly speaking, force is the space derivative of energy and the time derivative of momentum. < as lemmas |
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