| 单词 | rate of change |
| 释义 | DEFINITIVE EXAMPLES 权威例句〔acceleration〕Abbr. aPhysics The rate of change of velocity with respect to time.缩写 a【物理学】 加速度：速度相对于时间变化的速率美国传统〔angular acceleration〕The rate of change of angular velocity with respect to time.角加速度，旋转加速度：角速度随时间变化的变化率美国传统〔angular velocity〕The rate of change of angular displacement with respect to time.角速度：角位移随时间变化的变化率美国传统〔derivative〕The instantaneous rate of change of a function with respect to its variable.函数随其变量的即时变化率美国传统〔displeasure〕The population began to show its displeasure at the slow rate of change.人们开始表现出对变革速度之慢的不满。外研社新世纪〔kinetics〕The branch of chemistry that is concerned with the rates of change in the concentration of reactants in a chemical reaction.动力学：化学的一个分支，考虑化学反应中反应物变化的速率美国传统〔rate〕Velocity is the rate of change of distance with respect to time.速度是距离对时间的变率。英汉大词典〔temperature gradient〕The rate of change of temperature with displacement in a given direction from a given reference point.温度梯度：从一给定的参考点，伴随着在给定方向上温度变化的速率美国传统 |
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