geological tectonic units

• 地质构造单元

geological tectonic units的用法和样例：

例句

1. Nucleotides are the building block units of nucleic acids.
   核苷是组成核酸的构造单元。
2. The seismicity in different blocks under different tectonic conditions is diverse.
   不同构造环境下不同构造单元地震活动差异性很大。