In the condition of region structure and climate geography location, Beijing's ecological environment has been severely affected.
北京由于所处区域构造及气候地理位置，生态环境直接受荒漠化的严重威胁。
In the condition of region structure and climate geography location, Beijing's ecological environment has been severely affected.
北京由于所处区域构造及气候地理位置，生态环境直接受荒漠化的严重威胁。
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