variation rules

• 变化规律

variation rules的用法和样例：

例句

1. At the end of paper, the mechanisms of UHI's variation are also explored.
   最后对热岛变化规律的成因进行了初步分析。
2. The variation rules of Rn concentration in the soil of the groundwork in Chengdu area is discussed from different angles.
   本文就成都地区地坪基础的施工中氡浓度的变化规律作一初步探讨。