导数为
双语例句原声例句
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垂直于梯度的方向上,方向导数为零。
The directional derivative in a direction that's perpendicular to the gradient is basically zero.
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微积分中求导数为已知函数之函数的过程。
In calculus, the process of finding a function whose derivative is a given function.
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在此方程中，弥散项和对时间的导数为分数阶导数所代替。
In this equation, the diffusion is a fractional order derivative of time and space.
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The derivative of this guy will be 2t times i plus what?
这个式子的导数为 i ? 2t,加上什么呢
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In other words, your job is to guess a function whose second derivative is a, and this is called integration, which is the opposite of differentiation, and integration is just guessing.
换言之,你的任务是要猜出一个二阶导数为a的函数,这就是积分,和微分恰恰相反,积分就是猜
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