沙漠化

Desertification is threatening the achievement of human managing desert landscape.

新的沙化斑块的形成己威胁到人类活动的成果，需要强化人工植被的建设，并建立有效的监测系统、预防更大范围的沙漠化、减小沙化风险。

China is one of most serious desertification countries in the world.

中国是世界上沙漠化危害最严重的国家之一。

Desertification is one of the most seriously environmental and scio-economical problems in the world as well as in China.

沙漠化不仅是当今全球最严重的环境与社会经济问题之一，也是我国重大的生态环境问题。

The land desertification is one of the greatest environmental problems.

土地沙漠化是直接影响人类生存与发展的重大环境问题之一。

China is one of the countries suffering from serious desertification around the world.

我国是世界上受沙漠化影响最为严重的国家之一。

Two-thirds of the world's countries and regions under the threat of desertification.

世界上三分之二的国家和地区受到沙漠化的威胁。

The cause of desertification is one of important parts in desertification research.

土地沙漠化成因机制的研究具有非常重要的理论与实践意义。

Desertification is one of the most seriously environmental and scio-economical problems in the world as well as i...

沙漠化不仅是当今全球最严重的环境与社会经济问题之一，也是我国重大的生态环境问题。

China is the world's desertification and sandy area of the largest against one of the worst.

中国是世界上沙漠化和砂质化面积最大，危害最严重的国家之一。

Desertification in China is the most serious in the Inner Mongolia Autonomous Region.

在中国沙漠化最严重的地区是内蒙古自治区。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。