The strength of materials are controlled by porosity, modulus of elasticity, fracture energy and critical flaw sizes.

材料的强度是受气孔率、弹性模量、断裂能和临界缺陷尺寸控制的。

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In view of the strength of materials, the operating condition and main failure mode of oil field equipment are analysed in this paper.

本文从材料强度的观点，分析了石油矿场机械的服役条件和主要失效类型。

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Two important problems i. e. using the simplest method to DE - rive basic formula and using the plus assumption method in the strength of materials were discussed in this paper.

本文对用最简单的方法推导基本公式和“设正法”用于材料力学中两个重要问题提出商榷。

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The result is that despite the strength of the materials, the process is too expensive to be practical.

FORBES: Caltech Researchers Develop Cheap Process for Metallic Glass

He also blamed rising costs of raw materials and the strength of the yen for contributing to the decline in the overall Bridgestone profits.

BBC: Bridgestone hit by safety drive

By using lightweight aerospace materials like carbon fiber, which has the strength of steel but weighs one-fifth as much, naval architects can design boats that plane across the surface of the water instead of plowing through it.

FORBES: Mine's Lighter