随着暖空气上升的上滑暖锋有多层云系，这些云系稳定的增厚，并向锋的地面位置下降。
The ana-warm front, with rising warm air, has multi-layered cloud which steadily thickens and lowers towards the surface position of the front.
随着暖空气上升的上滑暖锋有多层云系，这些云系稳定的增厚，并向锋的地面位置下降。
The ana-warm front, with rising warm air, has multi-layered cloud which steadily thickens and lowers towards the surface position of the front.
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