natural barrier

The Yangtze river is a natural barrier to the north-east .

长江是东北方向的一道天然屏障。

Mountains form a natural barrier that keeps invaders out .

山地构成抵御侵略者的天然屏障。

This mountain has always been considered a natural barrier .

此山向有天险之称。

Once upon a time , the State of Chu planned to attack the State of Song . But the Yong River was the natural barrier against its surprise attack at night .

古时候，有一次，楚国准备进攻宋国，而澭河水楚国夜间偷袭宋国的天然障碍。

The Sahara Desert is a natural barrier between North and Central Africa .

撒哈拉沙漠是北非与中非之间的天然屏障。

But the Yong River was the natural barrier against its surprise attack at night .

而瘫河是楚国夜间偷袭宋国的天然障碍。

The Sahara desert is a natural barrier that separates Northern and Central Africa .

撒哈拉沙漠是分隔北非和中非的天然屏障。

Mountain hazard in Tangmai natural barrier along Sichuan-Xizang highway and its control

川藏公路通麦天险段山地灾害及其防治

Tangmai Natural Barrier along Sichuan-Xizang Highway is a famous reach with serious mountain hazard .

本段是川藏公路有名的严重山地灾害段。

Conservatives , though , point out that suppliers ' restricted working capital is a natural barrier to over-estimating demand .

然而，保守派人士指出，供应商运作资金有限，是高估需求的天然障碍。

On the Korean Peninsula is a natural barrier of Northeast China , also the core of Northeast Asia , the strategic position is vital important .

朝鲜半岛一直是中国东北地区的天然屏障，同时也是东北亚地区的核心，战略地位十分重要。

The combination of engineering barrier and natural barrier is the important means to prevent the impact to environment of leachate from urban waste landfill sites .

工程屏障与天然屏障的结合是防止填埋场渗滤液影响环境的重要手段。

The inactive sialic sand-slate is a natural barrier .

活动性差的硅铝质砂板岩形成岩体的天然屏障；

Conclusion Strain KFS-9 produced metabolites that were able to absorb UV to build a natural barrier and so improved the tolerance to UV radiation .

结论菌株KFS-9通过产生具有紫外吸收作用的代谢产物，形成一道天然屏障，提高其对紫外照射的抗性。

The reservoir sandstone is mainly composed of subsea distributary channel , where subsea distributary channel flank and subsea natural barrier are next .

储集砂岩以水下分流河道为主，水下分流河道侧翼和水下天然堤次之。

While for Russia , Transcaucasia is the traditional sphere of influence and strategic interests at stake region , which is the natural barrier to keep security and stability .

而对俄罗斯来说，外高加索地区是其传统的势力范围和战略利益攸关地区，是其维护自身安全与稳定的天然屏障。

Low permeable media are the ideal natural barrier resisting the underground migration of harmful materials . So it becomes the first selected host rock for high-level radioactive waste disposal repository .

低渗透介质是阻碍有害物质在地下迁移良好的天然屏障，因此成为高放废物处置库围岩类型的首选。

Conclusion : Indirect trauma on the TMJ can damage its natural barrier , expose the collagen fibrils and start autoimmunity , then cause TMJ osteoarthrosis .

结论：间接性TMJ损伤使具有抗原性的髁突表面纤维暴露，激发了抗原&抗体反应，引起关节自身破坏，导致颞下颌关节骨关节病的发生。

Beijing mountain area is an important part of Beijing suburb and it is a natural barrier surrounding Beijing city . The forest quality has a direct impact on the balance and stability of Beijing ecological system .

北京山区是北京郊区的重要组成部分，是环绕北京市的天然屏障，森林主要分布在山区，而森林质量的好坏直接影响到北京地区生态系统的平衡和稳定。

Does any other police powers and duties of the police , the reality of the social life , alienation of the various police functions like establishing good communication between the police and public attitude as a natural barrier .

警察职权与警察职责是否泾渭分明，现实的社会生活中，警察职权异化的种种样态成为警察和公众建立良好沟通的天然屏障。

It acts as a natural barrier to airborne allergens , forming a colourless , mucus-like gel lining in the nasal tract that acts as a filter for dust and germs .

它的作用就像一个防御空气变应原的天然屏障，在鼻道里形成一层无色的、粘液样的、凝胶层，其作用就像一个灰尘和细菌的过滤器。

Estuary wetland , as the natural barrier of accommodating purification land-sourced pollutants and cutting them into the sea , plays a very important role in controlling estuarine and coastal water nutritional status and global carbon 、 nitrogen cycle .

河口湿地作为容纳净化陆源污染物、削减其入海通量的天然屏障，在控制河口和近海水体营养状况以及全球碳、氮循环过程中扮演着十分重要的角色。

Five microfacies of subsea distributary channel , its flank , subsea natural barrier , subsea interdistributary bay and coastal or neritic shale are developed in Block Wen 65 of Wenliu Oilfield .

文留油田文65块发育水下分流河道、水下分流河道侧翼、水下天然堤、水下分流间湾、滨浅湖泥5种微相。

In the landfill engineering , the barrier layer of cohesive soil is the natural barrier for garbage treatment , and the nature , density and thickness of cohesive soil layer directly decides whether the landfill can pollute groundwater and the degree of its pollution .

在垃圾填埋工程中，粘土防渗层是垃圾处置的天然屏障，粘土层的性质、密度、厚度直接决定垃圾填埋场能否污染地下水及其污染的程度。

The disappearance of the reefs does more than rob humans the chance to admire the beautiful structures . It removes a natural barrier that protects shorelines from storms and also leaves fewer habitat options for fish and other marine life .

珊瑚的消失远不止无法供人类赏玩这么简单。这不仅使海岸线少了一道天然保护屏障，也让鱼类和其他海洋生物失去了一样栖息场所。

The frontier minority areas of natural ecological barrier in China , and has important strategic role .

边疆少数民族地区作为天然生态屏障，具有重要的战略作用。

Influencing Factor of Natural Zeolite Barrier for Controlling Nitrogen and Phosphorus Release from Sediments

天然沸石覆盖层控制底泥氮磷释放的影响因素

Mountainous area is made natural ecological barrier of capital Beijing and the main sources for water conservation and supply .

山区是首都北京的天然生态屏障和主要的水源涵养与供给源地。

Northwestern area , as a natural ecological barrier of China , has important strategic position in national ecological safety of our country .

西北地区作为中国的自然生态屏障，在国家生态安全中具有重要的战略地位。

Inner Mongolia grassland was an important animal husbandry base and it also was the natural ecological barrier for Northern China .

内蒙古草原是我国重要的畜牧业基地，又是北方天然的生态屏障。