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来自维基百科,自由的百科全书
燕山山脉为暖温带大陆性季风气候,年平均气温6~10℃。1月平均气温-12~-6℃,7月平均气温20~25℃。10℃以上持续期195~205天,活动积温2600~3800℃。[1]
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Seamless Wikipedia browsing. On steroids.
Every time you click a link to Wikipedia, Wiktionary or Wikiquote in your browser's search results, it will show the modern Wikiwand interface.
Wikiwand extension is a five stars, simple, with minimum permission required to keep your browsing private, safe and transparent.