measuring and identifying cyclical patterns

例句：

1. 1. The engineer is measuring the temperature inside the building.
   工程师正在测量大楼内部的温度。
2. 2. The scientist is estimating the population of the city.
   科学家正在估计这个城市的人口数量。
3. 3.The carpenter is measuring the length of the beam to make sure it's long enough for the roof.
   木匠正在测量梁的长度，以确保它足够长以支撑屋顶。