本文推导了拉维娜式行星齿轮变速器的运动特性方程。

This paper derives the motion property equation for Ravigneaux planetary transmission.

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从理论上推导了联合功率控制方程。

The joint power control equation was deduced in theory.

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推导出自由单层板频散方程的矩阵表达形式。

Matrix expression for dispersion equation of a single plate was derived.

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推导了场方程和物质方程。

The field equations and matter equation are derived.

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同时推导出其电力线方程和电位线方程。

The force line and potential gradient equation are deduced.

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本文推导了一个锥透镜的光线方程。

The paper derived a light equation for cone-lens.

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推导了在地平坐标系中的观测方程和动态方程。

The observe equation and dynamic equation have been developed.

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为了获得该椭圆边值问题的解，推导出了有限元求解变分方程。

The corresponding variation equation has also been derived to solve this problem.

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其次推导出状态偏差形式的系统方程；

In addition, system equation in state error form is given.

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本文推导建立了太阳帆结构分析的理论方程组；

The theoretical equation system of structural analysis on solar sail is given in this paper.

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推导了浅水方程组的极限形式。

The limit form of shallow water equations had been derived.

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而这个主动约束力的大小，则是通过分析力学中拉格朗日方程推导出来的。

And we can get the constraint force by a new form of Lagrange equation.

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而这个主动约束力的大小，则是通过分析力学中拉格朗日方程推导出来的。

And we can get the constraint force by a new form of Lagrange equation.

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