在珠穆朗玛峰的山顶，海拔在8848米的地方，那里的空气中所包含的氧分子比它在海平面的三分之一还要少。
At the top of Mt Qomolangma, at 8848 metres above sea level, a lungful of air contains less than a third as many oxygen molecules as it does at sea level.
桂西北典型峰丛洼地是一个缺水少土、汗涝灾害严重、农业生态环境十分严酷的区域。
The Typical Karst Peak-cluster Depression Area of Northwest Guangxi Autonomous Region is an Area that is droughty, absent soil and agricultural Eco-environment deterioration.
根据液相色谱图可知，乙酸乙酯萃取所得产品杂峰少，产品纯。
It can be included that the product has less impure peaks and was pure by the ethyl acetate extraction.
西南岩溶区峰丛陡坡类最多，平地非常少，并且在人类的不合理利用下，坡地和平地的土壤质量发生了退化。
There is a large quantity of fengcong steep land in karst areas of Southwest China, whose quality of soil getting worse because of unfit land use. So the land use must be changed properly.
西南岩溶区峰丛陡坡类最多，平地非常少，并且在人类的不合理利用下，坡地和平地的土壤质量发生了退化。
There is a large quantity of fengcong steep land in karst areas of Southwest China, whose quality of soil getting worse because of unfit land use. So the land use must be changed properly.
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