相关单词近义词 reciprocal 互惠的临近词reciprocal aid, reciprocal, reciprocal fuzzy preference relations, reciprocal trade agreements programme, reciprocal permutation representation, Reciprocal Osmosis Pure Water Machine, Reciprocal space lattice primitive cell, reciprocal supraventricular tachycardia, Reciprocal Evolutional Two-level Game, reciprocal double innervation antagonist, reciprocal one-to-one correspondence, reciprocal-characteristic m-sequence 返回 reciprocal cross