河流

Power cable route protection zone: the areas between two parallel lines formed by 0.75 meters on both sides of the ground mark of underground cable route; for sea-bottom cables, the zones should be the water surface between the two parallel lines formed by two nautical miles on both sides of the line (100 on both sides of the line in port) and no less than 100 meters on both sides of the line in rivers (not less than 50 meters for mid-sized and small rivers).

电力电缆线路保护区：地下电缆为线路两侧各零点七五米所形成的两平行线内的区域；海底电缆一般为线路两侧各二海里，江河电缆一般不小干线路两侧各一百米（中、小河流一般不小于各五十米）所形成的两平行线内的水域。

Sect;He said that the Yellow River is the second largest river in China.

sect；他说黄河是中国的第二大河流。

About 60 million years ago, sedimentation in ancient lakes and streams formed the underlying rock layer.

大约60万年前，沉积在古老的湖泊和河流的基本形成岩石层。

As the river at the beginning of its course knows its end and seeks sedulously to enter that sea, so you must know from the very beginning of your days, the end which awaits all.

当河流在它的路线的起点处知道它的终点，并且孜孜不倦地寻求流入大海，因此你必须从你的日子的一开始就知道，等待一切的终点。

Yosemite has a beautiful slow-moving river and large grassy areas where you can see wild animals.

约赛密地有魅力的缓缓的河流，和大片草地，你可以在那里看到野生动物。

The drainage system is self-formed by flow on certain geology, terrain and climate conditions, with obvious characteristic of self organization.

河流水系的形成是在一定地质、地形、气候等条件下，水流自由发展的结果，具有自组织临界性。

Water environmental capacity;Water Environmental Carrying Capacity;Self-purification of water;wetland

水环境容量；水环境承载力；河流自净；人工湿地

The results show that the tide of Shenzhen Bay is mainly irregular semidiurnal and the horizontal tidal current is reversing current, mainly in southwest-northeast direction.

计算结果表明：深圳湾海域属不正规半日潮，水平潮流具有明显的往复流性质，主要呈西南－东北走向；落潮流速略大于涨潮流速；受地形及陆地河流径流的影响，湾中到湾口及航道附近流速较大，湾顶和靠近香港的滩涂部分流速较小；深圳湾余流场较弱，余流流向指向湾外：整个深圳湾水交换较弱，海域自净能力较差。

Our father is no longer here. In this way we see the senselessness of reviewing past

不断改变，那夺去父亲性命、做成我们财物损失的河流，已经不在了，如此忆念过

In China I have been expert from SES. I have been on my own.

在中国我是SES的专家，是自己独立工作，有一次在青海研究一条河流，我曾和另一位生态学家合作。

Do you know, i need you to come back

你知道吗，我需要你回来

Yang yinshu、Wang xiangsheng、Li decang,The first discovery of haemaphysalis conicinna.

1〕 杨银书，王祥生，李德昌。安徽省首次发现嗜群血蜱。