precise level

例句：

1. 1. The scientist used precise measurements to ensure the results were accurate.
   科学家使用精确的测量来确保结果准确。
2. 2.The engineer designed a precise machine for precision work.
   工程师设计了一台用于精密工作的精密机器。
3. 3.The physicist conducted precise experiments to test the theory.
   物理学家进行了精确的实验来测试这个理论。