precision spherometer

例句：

1. 1.The precision spherometer was used to measure the weight of the samples.
   精密天平仪被用来测量样品的重量。
2. 2. The precision spherometer was used to check the accuracy of the measurements.
   精密天平仪被用来检查测量的准确性。
3. 3. The precision spherometer was used to test the stability of the materials.
   精密天平仪被用来测试材料的稳定度。