metrology

例句：

1. 1. The metrology department at the university is responsible for developing new standards for measuring distances.
   大学里的计量学部门负责制定新的测量距离的标准。
2. 2. In the field of metrology, scientists are constantly working to improve the accuracy of their measurements.
   在计量学领域，科学家们一直在努力提高他们测量的准确性。
3. 3.The metrology department has developed a new system for measuring the density of materials, which will greatly improve our understanding of material properties.
   计量学部门开发了一种新的材料密度测量系统，这将大大增进我们对材料属性的理解。