... Variation of physical parameters 物理参数变异 variation of parameters formula 常数变易法 method of variation of parameters 参数变分法 ...
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In the process of tunnel fire throttling, the variation time sequence of various physical parameters is the bases for accurately modeling the unsteady fire process and fire fighting decision-making.
巷道火灾节流过程中各物理参数变化时序是正确模拟非稳态火灾过程和救灾决策的基础。
With the change of control parameters, typical variation of physical state is studied to extend the applications of chau's circuits chaotic systems in Chai's circuits.
通过改变控制参数，研究了几个典型物理状态变化现象，丰富了蔡氏电路混沌系统的应用方法。
In this paper, the motion of the shell in the bore and the variation of physical and kinematical parameters in the explosive are investigated.
分析了炮弹在炮膛内的运动规律，爆炸产物中物理参数与运动参数的主要变化过程。
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