transmissibility相关论文
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The nonlinear behaviors and vibration reduction of a linear system with a nonlinear energy sink(NES)are investigated.The......
为探究吕家坨井田地质构造格局,根据钻孔勘探资料,采用分形理论和趋势面分析方法,研究了井田7......
为了解我国首次分离的H13N6亚型禽流感病毒(AIV)生物学特性,本研究对该分离株进行全基因序列测定和分析,并对其进行BALB/c小鼠和SP......
This essay investigated the values that concern the degree and the method of filial piety toward their parents to identi......
