... variation of parameters formula 常数变易法 method of variation of parameters 参数变分法 method of variation parameters 常数交易法 ...
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A tracking estimation method of network equivalent parameters of facing nodes is researched with the variation of operation point.
该文研究了面向节点，随运行工况变动跟踪估计电网等值参数的方法。
Since a manual variation of the system parameters is enormously complex and only conditionally successful, a computer-aided method is suggested for the improvement of the system performance.
由于用手动的方式改变系统参数非常麻烦，而且仅能有限地获得成功，因此推荐采用计算机辅助的方法改变系统的性能。
To analyze the variation of the parameters of the soil, the mechanical model and numerical method of the explosion compacting the cushion and soil are established.
为了分析爆炸挤压后土体参数的变化规律，建立了爆炸挤压垫层和粘土的力学模型及数值方法。
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