Color is an effect of visual sense, as men have the same physical mechanism and visual theory, the material element of color terms may have some comments.
颜色是一种视觉效果，由于人类具有相同的生理机制和视觉神经，颜色词产生的物质因素也有相似之处。
Based on the material element theory, a new model on quality evaluation for the fault diagnosis system of large rotating machines is proposed.
基于物元分析理论，建立了大型旋转机组故障诊断系统品质综合评定理论模型。
The finite element theory of temperature and stress field in the process of cast solidification, and method to measure material thermo-physical parameter were concluded.
总结了铸件凝固过程中温度场、应力场的有限元理论以及材料热物性参数的测定方法。
The laser-generated ultrasound theory in thermo-elastic mechanism is discussed first. Then laser-generated ultrasonic in the plate material is simulated numerically by using the finite element method.
首先讨论了热弹机制下脉冲激光超声的激发原理，并利用有限元法数值模拟激光热弹机制下激发板状材料中的超声导波。
The laser-generated ultrasound theory in thermo-elastic mechanism is discussed first. Then laser-generated ultrasonic in the plate material is simulated numerically by using the finite element method.
首先讨论了热弹机制下脉冲激光超声的激发原理，并利用有限元法数值模拟激光热弹机制下激发板状材料中的超声导波。
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