variance-covariance propagation law 方差
variancecovarlance propagation law 方差一协方差传播律
rectilinear propagation law 直线传播定律
damage propagation law 损伤扩展机理
propagation law a 传播定律
light propagation law 光束传输理论
crack propagation law 裂缝扩展规律
error propagation law 误差传播定律
cofactor propagation law 协因数传播律
The paper presents a study of propagation law of torsional wave in the condition of space axisymmetric and the method of experiments. Firstly, a 3D (axisymmetric) computing model for transient vibration of soil-pile system is presented based on elastic theory.
论文主要研究了低应变测桩时扭转波在空间轴对称条件下基桩中的传播规律与实验方法。
参考来源 - 空间轴对称条件下基桩扭转波动测的理论与实验研究·2,447,543篇论文数据，部分数据来源于NoteExpress
The crack propagation law is described using damage mechanism.
借用损伤机制描述裂纹扩展规律。
Gas explosion propagation law is the basis for analyzing explosion execution and developing explosion-suppression equipments and measures.
瓦斯爆炸传播规律是分析爆炸破坏效应继而研发抑爆减灾装置和措施的基础。
The dissertation is on the basis of gaseous explosion theory in tubular space, analysis propagation law of gas explosion in mine roadways.
本文以管状空间内气体爆炸理论为基础，系统地研究了矿井巷道瓦斯爆炸的传播规律。
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