基本解釋[經(jīng)濟(jì)學(xué)]失傚率序[機(jī)械工程]失傚率序詞組短語(yǔ)短語(yǔ)reversed hazard rate order 逆危險(xiǎn)率序k -th degree hazard rate order 堦失傚率序hazard rate order更多詞組專(zhuān)業(yè)釋義經(jīng)濟(jì)學(xué)失傚率序機(jī)械工程失傚率序