Mechanical characteristics of four types of shield support are analyzed.

本文分析了四种型式掩护支架的力学特性。

youdao

Repetition goes on until the best structure of the flexible shield support is achieved.

如此反复，直至获得柔性掩护支架的最佳结构。

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Obvious benefits were introduced to replace the means of chamfering demolition mining by shield support mining.

介绍用掩护支架采煤代替斜切爆破采煤法的显著效益。

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Samuels has been fighting the battle against dangerously broad patents for some time now, recently traveling to DC to support passage of the SHIELD Act (Saving High-tech Innovators from Egregious Legal Disputes), a congressional bill that would impose heavy fines against so-called patent trolls.

ENGADGET

The United States is seeking support for its controversial missile shield, which drew praise from some nations and criticism from others on Wednesday.

CNN: U.S. envoys begin hard sell of missile shield

" Instead, "the aim should surely be a global defense shield to which Britain could contribute its early warning radars as well as much-needed political and diplomatic support.

CENTERFORSECURITYPOLICY: Safire makes the case for a missile defense for allies and US