water level 是什么意思

	a water gauge that shows the level by showing the surface of the water in a trough or U-shaped tube
	the level of the surface of a body of water
	a line corresponding to the surface of the water when the vessel is afloat on an even keel; often painted on the hull of a ship 同义词：waterline, water line,
	underground surface below which the ground is wholly saturated with water; "spring rains had raised the water table" 同义词：water table, groundwater level,

	1.	The water level in some lakes may vary greatly . 某些湖泊的水位变动极大。
	2.	We should protect the basin with regard to water levels and water quality . 我们应保护盆地以利水位与水质。
	3.	There is no difficulty in measuring water levels in coastal waters . 观测沿岸水域中的水位是没有什么困难的。
	4.	This pull causes the sometimes dramatic rise of water level in the ocean . 这种引力有时引起海洋水面的剧烈上升。
	5.	This is the famous nilometer by which water levels in the river nilo were noted . 这就是著名的尼罗河仪。用它测星尼罗河的水位。
	6.	Most wells were "flowing" wells or those that penetrated shallow ground water levels . 大多数水井是“冒水”井，或者是浅水位井。
	7.	These wells should provide data related to possible pre-seismic, co-seismic, or post-seismic water level fluctuations . 这些井可提供震前，震中或震后水位升降的资料。
	8.	Flow from the high water level to the lower constitutes the inflow or outflow from one basin to another . 由高水位向低水位流动的水流形成这一盆地向另一盆地的出流和入流。
	9.	As sedimentation continues the deposits adjacent to the aperture will build up, layer by layer, to the water level . 当沉积作用连续进行时，邻近口子的沉积将一层一层地向上筑造到水面。
	10.	Study on ground water level dynamic state in yushu city 榆树市地下水水位动态研究

water level是什么意思