通过采用边界元法对高线轧机压下垫块改造模型进行力学分析，开发设计一种适合测量高线轧机油膜轴承动态载荷特性的简易装置。

The screwdown block is improved by mechanics analysis with boundary element method, and a simple device is designed for dynamic load of oil film bearing used in high-speed wire rolling mill.

youdao

本文利用横向谐振法结合变分技术分析了屏蔽平面传输线的色散特性。

The dispersion characteristics of the shielded planar transmission lines are analyzed by the transverse resonance method combining with variational technique.

youdao

提出了在洪水频率计算时适线法中最小二乘方的一种新的求解方法，并对其特性进行分析。

A new method of least square is raised in curve fitting of flood frequency calculating and its specific properties are analysed.

youdao