弹道优势
distinct advantage───明显的优势
ballistic galvanometer───[电]冲击电流计,[电]冲击式电流计
ballistic galvanometers───[电]冲击电流计,[电]冲击式电流计
ballistic camerae───弹道摄影机
cost advantage───成本优势
decisive advantage───决定性优势
full advantage───充分利用