dual nature

• 双重性

dual nature的用法和样例：

例句

1. Lacquer has the dual nature of painting and craft.
   漆画有绘画和工艺的双重性。
2. The doublet nature of this and other lines in the Na spectrum indicates a doubling of the expected number of states available to the valence electron.
   钠光谱中的这条线以及其它线的双重性指出预期价电子可用的状态数是双重的。