subtropical climate短语¹⁰⁶¹⁰⁰⁺⁵ 基本例句 亚热带气候 神秘热带雨林 The Xinjiang area was characterized by tropical- subtropical climate in the Devonian, and obviously climatic zonation in the Carboniferous due to the global climatic change. 通过对晚古生代气候演化趋向的分析，探讨了新疆石炭纪和二叠纪植物地理分区的形成与演变。 cnki