reductions n. 减少( reduction的复数形式 ); 降低; [数学]约简; [摄影术]减薄 释义与例句 n. 1. plural of reduction 相关短语 reductions in force reduction in force beta reductions prolongational reductions Meerwein-Ponndorf-Verley reductions Karp reductions boob reductions breast reductions carbothermal reductions eta reductions phenomenological reductions tax reductions Turing reductions Cook reductions vowel reductions