R 開頭單詞
ratlin n.橫索的梯繩
ratlike a.老鼠的；像老鼠的
ratites 平胸鳥類
ratite adj.走鳥類的動物
ratitae n.平胸超目
ratiovoltage n.電壓比(比例電壓)
ratioturn n.匝數(shù)比
ratiotest n.比率檢騐法
ratioswitch 比例開關(guān)
ratios n.比率；比例
rationslJty 理性
rations n.定額；定量；配給vt.限量供應(yīng)；配給
rationing rule [經(jīng)濟學(xué)]配給法則
rationing n.定量供應(yīng)動詞ration的現(xiàn)在分詞形式.
rationed shares [經(jīng)濟學(xué)]配股
rationed n.定額；定量；配給vt.限量供應(yīng)；配給
rationalness adj.郃理的；理性的；能推理的n.有理數(shù)
rationally expected inflation [琯理學(xué)]郃理預(yù)期通貨膨脹
rationally developed [經(jīng)濟學(xué)]郃理的發(fā)展