The seismic response of the structure with long period will be over estimated, if the standard spectrum or the design spectrum given by seismic risk analysis is applied.

而长周期结构采用规范设计反应谱或由地震危险性分析给出的场地设计反应谱计算所得的地震反应结果偏大。

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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.

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。

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The company's capabilities cover the entire IC design spectrum from RTL design, though verification, emulation and DFT to physical implementation, and include power analysis and yield management.

公司设计能力涵盖从RTL设计、验证、仿真和DFT到物理实现的整个IC设计体系，并且包括功耗分析和良率管理。

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You could call this point 'the ultraviolet spectrum of design': it's there, but imperceptible.

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In 2007 the FCC adopted several of Wu's proposals in its design of a wireless spectrum auction.

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This suggests an inefficiency in the auction design, since the same coverage ought to cost the same amount, says Paul Klemperer, an economist at Oxford University who helped design Britain's spectrum auction.

ECONOMIST: Mobile telecoms