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单词 homosphere
释义 homosphere
[`hä·mǝ´sfir]
METEOROLOGY
The lower portion of a two-part division of the atmosphere (the upper portion is the heterosphere) according to the general homogeneity of atmospheric composition; the region in which there is no gross change in atmospheric composition, that is, all of the atmosphere from the earth's surface to about 50 to 62 miles (80-100 kilometers).
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