... 累积持续时间 cumulative duration 设计谱 design spectrum 位移反应谱 displacement response spectrum ...
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为室内程序疲劳试验谱、有限寿命设计谱和静强度校核提供了可靠的依据。
These results have been provided the essential data for programme fatigue testing and optimal design spectrum and static strength proof.
近年的工程地震工作，如地震小区划、重大工程场地的危险性分析等，一般都要做设计谱标定。
Generally speaking, a calibration of design spectrum has to be done for all recent earthquake engineering work, such as the seismic micro-zoning, and risk analysis for major construction sites.
谱变换在逻辑设计上的广泛应用已有40多年的历史。
Its use in logic design has a history of more than 40 years.
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