Hamilton's law of variation principle 哈密顿变分原理
law of psycho variation 心理变化律
law of dynamic variation 动态变化规律
law of seasonal variation 季节变动规律
law of parametric variation 参数变化规律
Law of wall thickness variation 壁厚变化规律
The law of variation and the spreading direction in different regions are reflected.
通过不同年度间的变化，反映出白蚁虫害发生区的变化规律及蔓延方向。
After studying the law of variation for transient current, the author brings out the basic thought for its control.
通过讨论瞬时电流的变化规律，提出控制瞬时电流的基本思路。
Through the variation between different years, the law of variation and the spreading direction in different regions are reflected.
通过不同年度间的对比，反映出病虫害发生区域的变化及蔓延方向。
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