• 1. under variable loads: 在各种负载情况下

• 1.Generally speaking, engineering structures and components can be always looked on as working under invariable original loads and additional variable loads.
  一般而言，工程结构和构件总可以看成是在恒定初始载荷和附加可变载荷的联合作用下工作。
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• 2.This method may be used as a solution for a multi-span beam with variable cross section under conditions of various kinds of loads, supports and junctions.
  此法可用于求解在各种载荷、支承及联接条件下的变截面多跨梁。
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• 3.It may solve the problems of maximum stress and maximum deformation of cantilever beams with variable cross section under arbitrary loads.
  本文提供了一种求解变截面悬臂梁在任意载荷作用下最大正应力及最大变形的方法。
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