precision cod精测距码precisionn.精确；精密度adj.精确的precision heavy live center精密重型活顶尖precision-guided munition精确导引武器precision infrared tracking精密红外跟踪precision-cut liver slice精密肝切片precision of sample results样本结果的精确度precision of torpedo homing鱼雷自导精度precision carrier frequency精确载频precision sliding microtome精密滑动式切片机Precision of boundary point界址点精度Precision vibration cutting精密振动切削