With the impact and vibration of the crane, it may cause the rail installation loose, the connector fall off, deformation, crack, precision index super difference.

随着起重机运行时产生的冲击和振动，可能引起轨道安装的松动、连接件脱落、变形、裂纹、精度指标超差。

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The space crack arresting in metal die has been conducted on a new super-density pulse current generator model ZL-2 designed by author.

自主设计了改进型ZL - 2超强脉冲电流发生装置，采用它实现了金属模具试件中裂纹的电磁热止裂。

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The crack control methods of analysis and design in the super-length reinforced structure have been tested in the project, and reached the effect to be hoped.

对钢筋混凝土结构的裂缝控制实现超长设计的分析和设计对策，经过工程验证，达到了预期的效果。

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The super bears believe in a euro-crack up, the U.S. going to single A or even triple B credit rating, and maybe even defaulting.

FORBES: Economic End Times Not So Near, U.S. Seen Surviving 'Fiscal Cliff'

According to London charity Thames Reach, super strength alcohol kills more homeless people than heroin or crack cocaine.

BBC: Thames Valley Police ponder strong alcohol ban

The Hong Kong researchers hope to crack the problem by comparing the genomes of super-high-IQ individuals with the genomes of people drawn from the general population.

WSJ: The Search for the Genetics of Intelligence