cloud system of a depression

• 低压云系

cloud system of a depression的用法和样例：

例句

1. Several clouds are stacked up into one striking lenticular cloud.
   进而导致成群的云系堆积成特殊的荚状云。
2. Both the macro-and micro-physical structures of cloud systems and precipitation features indicate that heterogeneity existed in different parts of the stratiform cloud systems.
   云系宏微观结构和降水特征都表明在层状云系不同部位存在不均匀性。