precise standard capacitors

例句：

1. 1.The scientist used a precise scale to measure the weight of the sample.
   科学家使用一个精确的秤来测量样品的重量。
2. 2. The engineer designed a precise machine for the factory.
   工程师为工厂设计了一个精密的机器。
3. 3. The physicist conducted an experiment with precision to test the theory.
   物理学家用精密的方法进行了实验，以检验理论。