EXPRn.表达式expabbr.花销（=expense）abbr.经历（=experience）abbr.实验（=experiment）abbr.[数]指数（=exponent）abbr.出口（=export）abbr.表达（=express）Exploding wires电爆炸丝exploratory map勘探图exploring radar探地雷达exploring brush测试弧刷,辅助弧刷expansible bend膨胀弯管exploring shaft探井explusive force斥力, 排出力expulsive stage排出期explant culture外植体培养expansio alarum翅展