例如美国西南各州便面临严重的 水源供应问题, 随著都市成长, 当地地下水位( water tables ) 便持续下降, 年下 降量可达 1 公尺。为了供应更多水源, 只好从更远处河谷取水, 因此众多新建的水 坝便迅速增加。
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As Water Tables Fall 随着下降
Changes in temperature and water table together contributed to the changes of methane fluxes after cutting.
这主要是由于采伐后温度和水位发生变化,二者的共同作用导致采伐后森林沼泽甲烷通量的变化。
参考来源 - 小兴安岭沼泽甲烷排放及其对人为干扰的响应研究·2,447,543篇论文数据,部分数据来源于NoteExpress
以上来源于: WordNet
N-COUNT The water table is the level below the surface of the ground where water can be found. 地下水位 [usu 'the' N]
Environmentalists say that diverting water from the river will lower the water table and dry out wells.
环保主义者称引流河水将导致地下水位下降和水井干枯。
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.
由于地下水位下降,灌溉井干涸,居于世界之首的中国小麦产量,已经从1997年1.23亿吨的峰值下降了8%。
Now water tables plummet in countries harboring half the world's population.
现在世界一半人口不得不正视这样一个事实:因为过度汲取地下水,他们所在的国家的地下水位急剧下降。
And many areas still suffer from salinity problems, dried up rivers and low water tables.
而许多地区仍然遭遇盐碱、河流甘苦和地下水位低等问题。
And you can find these compressibility factors in tables. If you want to know the compressibility factors for water, for steam, at a certain pressure and temperature, you go to a table and you find it.
各种气体的压缩系数,想知道水或者水蒸气,在某个温度和压强下的,压缩系数,查表就行了,这是实际气体状态方程的。
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