双语例句原声例句
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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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引入样条参数及其对时间的导数作为状态变量，导出状态方程。
The spline parameters and their derivatives are taken as state variables, the state equation is established.
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文中还推导了多机系统下tef对时间的导数的一般公式，并以单机无穷大系统为例，图示说明了所设计的TCSC稳定控制策略的效果。
The general formula of TEF's derivative for multi machine system is deduced, and taking single machine infinitive bus system as example, the effect of the designeds...
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You can actually take derivatives of a vector with time.
你可以直接求位矢对时间的导数
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Just take the derivatives and that's the velocity vector.
直接计算对时间的导数就是速度矢量
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And the mathematics of that equation involved a double derivative in time of x 0 plus some constant times x equals zero with some constraints on it.
那个数学方程式,包括了x对时间的二阶导数,加上常数乘以x等于,还有一些限制条件。
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