外微分法;
By using exterior differentiation and inverse method, exact stationary solutions of strongly nonlinear MDOF systems subject to Gaussian white noises are obtained, which are generally independent of energy.
在精确平稳解方面,本文利用外微分方法和逆解法得到多自由度强非线性随机系统的具非能量依赖的精确平稳解。
In this paper characterstic function of optics was studied and property of symplectic structre was deduced from the characteristic function by using the opertion of exterior differentiation.
本文研究光学特征函数,利用外微分运算,由光学特征函数导出了光的辛结构性质。
exterior differentiation and effect of mappings
外微分和映射的效果
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