preferentialist关税特惠主义者
preferentialadj.优先的;优待的;特惠的
Preferential exchange rate for tourists优惠的旅游汇价
Preferential elimination system of voting按选择次序淘汰投票制
preferential principle of public interest公共利益优先原则
Preferential Assignment Heuristic Algorithm
Preferential elimination system of counting按选择次序淘汰点票制