Martian subsurface layers

• 火星土壤层

Martian subsurface layers的用法和样例：

例句

1. Nevertheless, the model accounts for water percolation towards the deeper subsoil layers even though it does not contribute to the discharge.
   尽管如此，虽然它对出流量没有太大的影响，模型仍然考虑了水向深层土壤层的渗透。