The second time derivative is the constant acceleration.
它的二阶导数就是这个恒加速度。
I focussed on the integral, rather than the time derivative thereof.
我更关注整体，而不是由此衍生出来的时间。
Directional Derivative of the Vector Field and Regular Curves on Time Scales
矢量场方向导数和时标正则曲线
The time rate of change of concentration is proportional to the second derivative of concentration.
浓度对时间得变化率成正与浓度对距离得二阶导数。
There is a power law relation between the modificatory factor and the time derivative of the period.
从统计上得到修正因子与周期变率的幂律关系。
英文例句大全为您提供derivative time英文例句大全,derivative time英文造句,关于derivative time的英语句子,单词derivative time怎么造句,derivative time英文例句大全有哪些,哪些英语句子是关于derivative time,英语单词derivative time的句子,单词derivative time如何造句,derivative time怎么造句等。