“精密”造句
只有
精密的X射线仪器才能显示出来。
It will only register on sophisticated X-ray equipment.
这些
精密仪器已经大规模投入生产.
These precise instruments have already gone into mass production.
精密仪器用来帮助飞行员操作飞机.
Precision instruments are used to help pilots in guiding their aircraft.