严重的

However, the AAP guidelines note that children with more severe cases of autism spectrum disorder may have serious behaviour problems.

不过，APP的指南上说有严重自闭症的小孩很有可能有严重的行为问题。

Desertification has an adverse effect on social and economic development of northwest regions of China.

日趋严重的荒漠化扩展对西部地区经济、社会发展及人们的生存环境造成了严重的威胁。

Amongst the many important functions of the RPE, it has the ability to phagocytosis and digest the rod outer segments which is shed on a daily basis. The malfunction of RPE leads to retinal diseases, such as retinitis pigmentosa, Best"s disease, Stargardt"s disease,Lebers congenital amaurosis and age-related macular degeneration.

RPE能吞噬脱落的视细胞外节膜盘(rod outer segment，ROS)，这对视细胞外节的更新及维持正常视觉功能至关重要，其功能障碍会导致严重视网膜疾病和一些严重的遗传性变性眼病，如Best病，Stargardt病和Leber先天性黑矇，年龄相关性黄斑变性(age-related macular degeneration，AMD)等。

Amongst the many important functions of the RPE, it has the ability to phagocytosis and digest the rod outer segments which is shed on a daily basis. The malfunction of RPE leads to retinal diseases, such as retinitis pigmentosa, Best\'s disease, Stargardt\'s disease,Leber\'s congenital amaurosis and age-related macular degeneration.

RPE能吞噬脱落的视细胞外节膜盘(rod outer segment，ROS)，这对视细胞外节的更新及维持正常视觉功能至关重要，其功能障碍会导致严重视网膜疾病和一些严重的遗传性变性眼病，如Best病，Stargardt病和Leber先天性黑矇，年龄相关性黄斑变性(age-related macular degeneration，AMD)等。

Patients with severe facet arthrosis had worse outcome, but their number was small to reach conclusive evidence.

严重的关节突关节骨性关节炎术后疗效较差，但是严重病例的数量太少，无法为下结论提供足够的证据。

They are one of the worst polluters currently and on track to soon be the biggest one in the world.

他们是目前世界上污染最严重的国家之一，并即将成为世界上污染最严重的国家。

This drought was the worst in 30 years and affected China's principal wheat-growing areas, damaging several hundred square kilometres of farmland.

此次旱灾是30年来最为严重的一次。中国的小麦主产区受到严重影响，受灾面积达数百平方公里。

Chronic fatigue syndrome is most commonly triggered by an acute illness, like glandular fever, and it is the severity of this illness that decides whether you will develop the syndrome, the research found.

严重的疾病最容易引发慢性疲劳综合症，腺体发烧就是其中一种，有研究表明，这种严重的疾病能决定你是否会患慢性疲劳综合症。

Downy mildew is one of the most serious grape diseases,the usual treatment method presently is the application of chemical fungicide,but excessive spray brings many severe problems.

霜霉病是危害葡萄最严重的病害之一，目前采用的主要防治手段是喷施化学农药，但其用量过多也带来许多严重问题。

Furthermore it has proven very helpful in the treatment of a number of very serious, immune related diseases, such as chronic and severe allergies, asthma, cancer, M.E. and AIDS.

而且它对一些非常严重的，免疫有关疾病的治疗证明非常有帮助，如慢性和严重过敏反应，哮喘，癌症， M.E。

Neither the killing of Mr Zarqawi nor any breakthrough on the political front will stop the insurgency and the fratricidal murders in their tracks.

在对危险的南部地区访问时，他斥责什叶派民兵领导人对中央集权的挑衅行为。

In fact,I've got him on the satellite mobile right now.

实际上 我们已接通卫星可视电话了