composition B[化] B炸药(如中国的黑梯炸药)compositionn.成分；作品；组织；作文；合成物composition principle of computer计算机组成原理composition of nutritive substance营养物质组成Composition Pot of Nickel Carbonyl羰基镍合成釜研制composition and make-up terminal排字和排版终端composition of the nutrient medium养分介质的组成composition of exports and imports进出口商品结构composition of substitution choice自由命题composition of rights and interests权能交易composition theorem of acceleration加速度合成定理compositional reaehability analysis组合可达性分析