target at瞄准 ...targetn.目标；对象；靶vt.把 ... 作为目标；瞄准target selection目标选择target data rate目标数据速率target directing目标指向target of strike突击目标target-costing目标成本target commodity目标商品target signature目标特征图target materials靶丸材料target data item目标数据项目targeting vector靶载体, 打靶载体