This is due to year-round warm sea surface temperatures, which keep the overlying atmosphere warm as well.

这主要是由于全年温暖的海洋表面温度，使整个环境都非常温暖。

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Scientists estimate that a desert needs year round plant cover over 20 to 40 percent of its surface.

科学家估计一年之中植物必须覆盖沙漠表面的20%到40%。

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Life. Scientists estimate that a desert needs year round plant cover over 20 to 40 percent of its surface.

科学家估计一年之中植物必须覆盖沙漠表面的20%到40%。

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