activity curve

• 活度曲线,放射性曲线

activity curve的用法和样例：

例句

1. The form of Xinghai Square is a complex multidimensional curve, however, Shell Museum, with its unique shape, is inserted perfectly into the environment.
   星海广场是一座复杂的多维度曲线广场，贝壳博物馆以其独特的形态，完美地融入环境中。