短語詞組短語proportional reinsurance 比例再保險(xiǎn);再保險(xiǎn);比例性再保險(xiǎn)inversely proportional 反比的；成反比例proportional amplifier [電子]比例放大器proportional divider [自]比例分配器;[數(shù)]比例規(guī);比例規(guī)proportional distribution 按比例分配；比例分布proportional cover 比例分保third proportional 比例第三項(xiàng);三數(shù)比例末項(xiàng)proportional feedback [自]比例反饋proportional segments 比例線段directly proportional 直接比例的proportional control 比例控制；比例調(diào)節(jié)proportional valve 比例閥；定量閥；流量閥；配合閥proportional relation 比例關(guān)系proportional representation 比例代表制proportional spacing 比例間距；均勻間距proportional limit 比例限界 返回 proportional