obligatory right 債權(quán)obligatory parasitism 專性寄生，真性寄生obligatory parasite [生物] 專性寄生物obligatory norm [法學(xué)]義務(wù)性規(guī)范obligatory jurisdiction [交通運(yùn)輸工程]強(qiáng)制管轄權(quán)obligatory insurance 強(qiáng)制保險obligatory diapause [生物學(xué)]專性滯育obligatory course 必修課obligatory arbitration [法學(xué)]強(qiáng)制仲裁obligatory anaerobic respiration [農(nóng)業(yè)科學(xué)]專性缺氧呼吸obligatory aerobic respiration [農(nóng)業(yè)科學(xué)]專性有氧呼吸obligatory aerobe [醫(yī)藥科學(xué)]絕對嗜氣菌obligatory (adj.) obligatory adj.強(qiáng)制性的；義務(wù)的；必須的obligatorily adj.強(qiáng)制性的；義務(wù)的；必須的obligator 債務(wù)人, 委托人obligato n.助奏；助唱adj.不能省略的obligative 專性的obligations of the parties concerned [經(jīng)濟(jì)學(xué)]各方的義務(wù)obligations of flag state [交通運(yùn)輸工程]船旗國義務(wù)