堤坝

This causes siltation of valleys and dams, and is increasingly threatening the environment of the area.

这样会造成淤塞溪谷和堤坝，并且越来越严重地威胁着这一地区的环境。

Authorities want to control the flow of water -- rather than have the dam give way all at once -- by creating a spillway.

政府希望能控制水的流量----也不愿这个堤坝一下子崩溃----通过开凿泄洪道。

Today concern for the environment extends into such areas as chemical pollution of the air we breathe and the water we drink, strip mining, dam and road building,...

今天，环境问题已扩大到下列领域：人们呼吸的空气和饮用水的化学污染、露天采矿、堤坝和道路修建……和一系列其他问题。

With the equations mentioned above, the size of colony and nest of dam termite could be estimated.

通过以上方程，可估计出该群体大小和蚁巢体积，为堤坝白蚁的防治提供科学依据。

The river was so high that the dam gave way.

河水水位太高，堤坝崩溃了。

Raising dykes, increasing protection facilities, and closer watch of tidemark are the present measures taken by the Japanese government.

提高堤坝，增加保护设施，并密切注视高潮是目前所采取的措施，日本政府。

First Creek—which runs down Waterfall Gully and enters the River Torrens near today's Botanic Gardens—was seen as the perfect solution to the water shortage. A weir was built during 1881 and 1882, and was made to hold approximately two megalitres (530,000 US gallons) of water.

第一溪被看作是解决缺水问题的最好方法，它沿着瀑布谷流下，最后汇入今天的植物园附近的托伦斯河。1881年至1882年间，人们修建了堤坝，能蓄水约两百万升（530，000加仑）。

It reduces damage from heavy rains. And vetiver planted on earthen dams may strengthen them against breaks and flooding.

它减少了来自暴雨的损失，并且在堤坝上种植的香根草可以使它们加强抵御断层和洪水。

First Falls in the late 1800's, with the weir visible in the foreground

19世纪后期，第一瀑布在其最显著的位置拥有了堤坝。

Hydro-electricity or "white coal" from dams used to be the biggest domestic source of energy. But for many years it has been matched or exceeded by imports of electricity from Italy's neighbours to the north.

来自堤坝的水力电或"白煤"曾经是国内最大的能源来源，但几年来，意大利北部邻国输入的电力已与它平起平坐，或遥遥领先。

On the other hand, the more important thing is because the urban housing is a kind of heterogeneity products.

另一方面，更重要的是由于城市住房是一种异质性产品。

Climate histogram is the fall that collects place measure calm value, cent serves as cross axle for a few equal interval, the area that the frequency that the value appears according to place is accumulated and becomes will be determined inside each interval, discharge the graph that rise with post, also be called histogram.

气候直方图是将所收集的降水量测定值，分为几个相等的区间作为横轴，并将各区间内所测定值依所出现的次数累积而成的面积，用柱子排起来的图形，也叫做柱状图。