By this method, it researches the stress distribution of plane problem for a tooth on synchronous belt.

用此方法对梯形齿同步带一个齿上的平面问题的应力分布进行了有限元分析研究。

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Based on the boundary element method, an inverse method is developed to identify the material parameters of orthotropic plane problem.

以边界元计算为基础，提出正交各向异性平面问题材料参数识别的反分析方法。

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Based on the basic equations of the elastic plane problem, displacement fields and singular stress fields near the interfacial edge of bonded materials are obtained.

基于弹性力学平面问题的基本方程，推导了结合材料界面端附近的位移场和奇异应力场。

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Crossfield lands the plane without any problem.

VOA: special.2010.07.07

C130J transport plane was hitting problem after problem, it lost a key satellite surveillance contract to Boeing, and losses kept piling up.

ECONOMIST: America's defence companies are turning dual-purpose

Musk went through a detailed description of the battery problem on the plane.

FORBES: Elon Musk: SpaceX Testing New?Reusable Rockets

If there is a mechanical problem with a plane, or a pilot is sick, then chances are the flight will be canceled.

NPR: Holding Pattern: Flight Delays are Going Up, Up, Up