本文提出了在余弦型波纹表面上进行冷凝传热的一个新物理模型。

A new physical model of condensation heat transfer on cosine-type corrugated surfaces is presented.

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表面覆盖有高丘的雪面波纹。

The surface was covered with high mound sastrugi.

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冰川所过之处，特别是那些地势陡峭的地方，会在冰川表面留下波纹痕迹，提示这些地方有冰川瀑布。

Where the ice passes over especially steep terrain, ripple marks on the glacier surface indicate the icefall.

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