Making use of the principle that the sonic wave made by the rock open fracture spread in the rock, can accurately test the crack's appearance directions and extend length.

利用岩石张裂时发出的声波在岩石中的传播原理，可准确测出裂缝的形态方位和延伸长度。

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Design parameter analysis for the joints is carried out through finite element method so as to find out the influence of diaphragm thickness, extend length, axial compression ratio on joint behavior.

进行了节点参数分析，通过有限元数值计算，掌握了隔板厚度、挑出长度及轴压比对节点性能的影响规律。

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If it appears that it cannot, you have few alternatives: extend the length of the phase, or negotiate the scope of the Backlog downward.

如果这看起来不可能，您还有几个可选的方法：延长这个阶段的长度，或者协商待完成工作向下的范围。

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At One Medical, patients can fill out forms online to cut down waiting room times and extend the length of patient visits to their physicians.

FORBES: Move up http://i.forbesimg.com t Move down

Bair has proposed giving homeowners who are 60 days late on their mortgage a chance to reduce high interest rates and extend the length of the loan if they qualify.

CNN: Plan could help 1.5 million keep homes, FDIC chair says

Moves to extend the length of service to a whole Parliament were defeated by 263 votes to 171, a majority of 92, while the committee will consist of eight members after a move to expand it to 15 members was defeated by 331 votes to 100.

BBC: Commons backs 'historic' reforms