precision balance

例句：

1. 1.The engineer used precision balances to ensure the accuracy of the machine's operation.
   工程师使用精密平衡来确保机器操作的准确性。
2. 2.In the field of optics, precision balance is crucial for achieving high-quality optical imaging.
   在光学领域，精密平衡对于实现高质量的光学成像至关重要。
3. 3.The balancer carefully adjusted the weights on the scales to achieve a precise balance.
   平衡器小心地调整秤上的重物，以获得精确的平衡。