... x Sin x x x Sin x x x 第五节 函数的微分 (Differential of a Function) 导数是从函数对自变量变化的速度来研究; 而微分则是直接研究函数 的增量,这有许多方便之处。
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x as a function of time, and when you have the correct solution x and you substitute that back into that differential equation, that equation will have to be satisfied.
根据时间的变化,x,is,,of,course,,changing,in,some,way,发生相应的变化,当你得到了,和时间的正确关系,for,x,as,a,function,of,time,你把它代入,这个微分方程,这个等式,就能得到满足。
For example, the solution of a differential equation is a function.
例如,这个解决方案的微分方程是一个功能。
A new change over mechanism design of differential speed and its main function and structural characteristic are introduced.
介绍了一种新型差速转向机构的设计,对其主要功能、结构和特点进行了分析。
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