积雪覆盖面积
Snow cover area
以上为机器翻译结果，长、整句建议使用 人工翻译 。
研究表明，南极大陆海岸带地区积雪覆盖面积总体上呈波动下降趋势，暖季比寒季波动显著。
The result showed that the change of snow cover area was in a fluctuant downward trend on a whole, and was more marked in warm season than in cold season.
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