From virtual substances that form the natural space is an absolute space, solid substance transformation as virtual material process experienced by the time for absolute time.
由虚物质所构成的自然空间是绝对空间，实物质转化为虚物质的过程所经历的时间为绝对时间。
The original system with both input and state time delays was first rewritten into a form without any time delays by a nonsingular linear transformation.
为了简化变结构控制器的设计，首先通过非奇异线性变换将含状态时滞和输入时滞的线性系统化为无时滞系统。
An improved adjoint operator method is employed to compute the third order normal form of six dimensional nonlinear dynamical systems and the associated nonlinear transformation for the first time.
本文首次用一种改进的共轭算子法研究了六维非线性系统的三阶规范形以及所用的非线性变换。
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