reciprocal
名词 reciprocal:
something (a term or expression or concept) that has a reciprocal relation to something else
(mathematics) one of a pair of numbers whose product is 1: the reciprocal of 2/3 is 3/2; the multiplicative inverse of 7 is 1/7
hybridization involving a pair of crosses that reverse the sexes associated with each genotype
同义词:reciprocal cross
形容词 reciprocal:
concerning each of two or more persons or things; especially given or done in return
同义词:mutual
of or relating to the multiplicative inverse of a quantity or function