nrb
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nrb-
The classification is like early method of NRB .
这种分类类似于NRB早期的的分类。
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The methods of suppressing the NRB noise are presented and analyzed in detail .
对抑制非共振背景噪声的方法进行了详细的分析和讨论。
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The T-CARS is studied by the numerical simulation method . The physical explanation is given for the suppressing NRB noise by the time-resolved method .
在此基础上，通过数值模拟的方法模拟了T-CARS过程，并对利用时间分辨方法抑制非共振背景噪声给出了物理解释。
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There are two types of low stiffness rubber bearings , natural rubber bearings ( NRB ) and lead plug rubber bearings ( LPRB ), total 18 specifications and 30 large diameter specimens are tested for grasping various properties .
研究使用的低硬度橡胶隔震支座分18种规格，总计近30个大直径隔震支座。