计量

例句：

1. 1. We need to measure the distance between the two points accurately.
   我们需要准确地测量两点之间的距离。
2. 2. The engineer calculated the weight of the material based on its density.
   工程师根据材料的密度计算了其重量。
3. 3. The meter is a common unit for measuring length and weight.
   米是常用的长度和重量单位。