水位

Lab为开发环境建立。基于原型的观测研究，对试验室模拟冰塞的水位进行了分析研究。

Study has been made on the simulated ice jam stage in the lab .

基于群智能算法的BP神经网络模型在冰塞水位及厚度预测中的应用

Application of BP Neural Network Based on Swarm Intelligence Methods for Prediction of the Stage and Thickness for Ice Jam

提前发出的洪水水位上涨警报防止了又一次的重大灾害。

Early warnings of rising water levels prevented another major catastrophe .

久旱之后水库的水位下降了。

The reservoir was low after the long drought .

水位上升，就会发生洪水。

When water levels rise , flooding results .

高水位有利于钓鱼。

Fishing is good at high water .

水位涨得够高了，他们可以继续向上游航行。

The water rose high enough for them to continue upstream .

水位正以每天5厘米的速度上升。

The water is advancing at a rate of 5cm a day

太湖水位达到了历史最高值。

The water level in Lake Taihu has reached record levels

密西西比河的水位已经比正常值低了6.5英尺。

The water level of the Mississippi River is already 6.5 feet below normal

一道拦河坝将会在上游拦住水流，抬升水位。

A barrage would halt the flow upstream and lift the water level .

船夫选择的路线会随水位的变化而有所不同。

The route that the boatmen choose varies according to the water level .

长江的水位每年这个时候都处于危险的高位。

The waters of the Yangtze River are dangerously high for the time of year .

长江今年中下游的水位都过高。

This year water levels in the middle and lower reaches of the Yangtze are unusually high .

环保主义者称引流河水会导致地下水位下降和水井干枯。

Environmentalists say that diverting water from the river will lower the water table and dry out wells .

水位高涨。

The water level has risen .

黄河水位逐渐下跌。

The water level of the Yellow River is gradually falling .

水位飞涨，大堤出现险情。

The water level kept rising and the dykes were in peril .

只有当湖水达到合适的水位时。

When the water hits the right level .

今年到目前为止，水位已经太高了，火烈鸟无法筑巢。

So far this year , water levels have been too high for the flamingos to nest .

当水位较高时，所有的泻湖就会连接起来，鱼就必须退回它们的溪流避难所，否则就会死掉。

" All the lagoons join when the lake is high and fish must retreat to their stream refuges or die . "

“鱼在溪流中有一个避难所，当水位较低并且泻湖各自分开时，它们就可以游进泻湖，”哈珀说道。

" Fish have a refuge in the streams and can expand into the lagoons when the lake is low and the lagoons are separate , " Harper said .

数以百万计的灌溉井地下水水位均大幅下降，几乎每个邦都是如此。

Millions of irrigation wells have significantly lowered water tables in almost every state .

结果，全球半数人口所在国家的地下水位急剧下降，这其中包括三大粮食生产国——中国、印度和美国。

The result is falling water tables in countries with half the world 's people , including the three big grain producers —— China , India and the U.S.

随着地下水水位下降和灌溉井枯竭，中国的小麦——在全世界小麦产量中独占鳌头——自从1997年产量达到1。23亿旽的峰值之后已经下滑了8个百分点。

As water tables have fallen and irrigation wells have gone dry , China 's wheat crop , the world 's largest , has declined by 8 % since it peaked at 123 million tons in 1997 .

城市规划者决定建造一个地下排水系统,但是地面高度和水位之间的差别太小了。

The city planner decided to build an underground drainagesystem , but there simply wasn 't enough difference between the height of the ground level and the water level .

当水达到一定水位时，它会挪动一个能显示小时数的杠杆。

When the water reaches a certain level , it moves a lever and this shows the hours .

水位提高了1.1米。

The water level has been raised by 1.1 metres .

谁知到了夜里，澭河的水暴涨，水位升高。

But when night came , the water in the Yong River suddenly rose ;

如今，大坝不时地改变水位，从暴露的污水释放出了疾病瘴气。

Changing water levels now at times unleash a miasma of disease from exposed sewage .