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单词 ablation
释义 ablation
[ǝ`blā·shǝn]
AEROSPACE ENGINEERING
The intentional removal of material from a nose cone or spacecraft during high-speed movement through a planetary atmosphere to provide thermal protection to the underlying structure.
GEOLOGY
The wearing away of rocks, as by erosion or weathering.
HYDROLOGY
The reduction in volume of a glacier due to melting and evaporation.
MEDICINE
The removal of tissue or a part of the body by surgery, such as by excision or amputation.
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