荒漠化

If no allergies are found and flea treatment doesn't help, call an animal behaviorist and ask about CCD.

如果没有过敏发现和跳蚤治疗无助，叫动物行为，并要求有关防治荒漠化公约。

As well as recycling and clean-up campaigns.

当我们谈论荒漠化的破坏性影响时。

China is one of the serious desertification countries in world.

中国是世界上荒漠化最严重的国家之一。

"Desertification is complex, and we have to hear all sides," said Chen.

"荒漠化是复杂的，我们要听取各方面的，说："陈。

Desertification is one of the most serious ecological and environmental problems in the world.

荒漠化是世界瞩目的严重生态问题之一，它直接影响到人类经济的发展和社会的稳定。

Desertification is one of the most serious resource and eco-environment problems in the world at present.

荒漠化是当前世界上最严重的资源与生态环境问题之一。

Climate change is a main control factor for the formation and development of desertification in north China.

气候变化是中国北方地区荒漠化形成发展的主要控制因素。

Actually, they were always cast as the cause of desertification rather than as the victims, he said.

实际上，他们总是投事业的荒漠化，而不是作为受害者，他说。

This paper is mainly to study quantitative monitoring and evaluation for desertification by using Remote Sensing data.

本文研究的目的是实现荒漠化监测评价的遥感定量化。

Desertification is one of the most serious environment and social economicproblem nowadays in the world.

土地荒漠化是当今全球最严重的环境与社会环境问题之一。

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。