symmetrical section的意思|示意

The natural frequencies of symmetrical section and non-symmetrical section continuous-beam are calculated in detail, and results of continuous-beam with different constraint conditions are given.

分别计算了对称截面及非对称截面多跨连续梁，当相邻跨按对称振型振动时的固有频率，讨论了不同边界条件对固有频率的影响。

A simple and visual method is used tO give shear stress distribution in symmetrical section.

文中利用一个简单直观的方法，解出了对称截面情况下的剪应力分布。

The high natural frequencies of symmetrical section beam with different constraints are calculated in detail, and effects of rotary inertia and shearing deformation are given.

计算了对称截面粱在不同边界条件下的高阶固有频率，讨论了转动惯量及剪切变形效应对各阶固有频率的影响。