工程力学作为高等工科学校的一门课程，是其最基础的部分，它含盖了工程静力学和弹性静力学两门课程的主要内容。
Engineer mechanics is a basic course of higher engineer course school, it includes two parts: engineer statics and elastic statics.
窗、门、百叶窗。防弹性。试验方法。
Windows, doors, shutters and blinds. Bullet resistance. Test method.
窗、门、百叶窗。防弹性。要求和分类。
Windows, doors, shutters and blinds. Bullet resistance. Requirements and classification.
文中采用门式刚架作为算例，分别研究了弹性、塑性及不同初始挠曲对其稳定性的影响。
With a door rigid frame as example, the influence is analyzed of elasticity, plasticity and different initial bending on stability of the frame respectively.
试验配方中并用EPDM和弹性填充剂，胶料门尼粘度、硫化速度和混炼性能得到提高，过滤和挤出工艺性能得到改善。采用试验配方生产的自行车内胎性能良好，达到国家标准要求；
The test results showed that the Mooney viscosity, mixing behavior and curing rate increased, and the filtering and extrudability improved by blending EPDM and an elastic filler in the test compound.
铁道机车用的材料；弹性体，功能组；非永久性密封的门、窗型材，要求类别。
Materials for railway vehicles; elastomers; functional group: non permanent door and window seals; specification groups.
铁道机车用的材料；弹性体，功能组；永久性密封的门、窗型材，要求类别。
Materials for railway vehicles; elastomers, functional group: permanent door and window seals, specification group.
在门关闭时，上述弹性构件将与滚筒洗衣机的主体接触，并通过弹性 压缩吸收冲击。
When the door is closed, the elastic component contacts with the main body of the drum-type washing machine, and the impact is absorbed by elastic compression.
在门关闭时，上述弹性构件将与滚筒洗衣机的主体接触，并通过弹性 压缩吸收冲击。
When the door is closed, the elastic component contacts with the main body of the drum-type washing machine, and the impact is absorbed by elastic compression.
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