The program is utilized to calculate soil rocks dam free surface position variation and pore-water pressure distribution condition with time when the up water level position changed.

利用所编写的非稳定渗流计算程序，计算土石坝上游水位变化时自由面位置随时间的变化规律、孔隙水压力的分布情况。

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Liz sank down until the water came up to her chin and the bubbles were at eye level.

莉兹下沉直到水漫到她的下巴，泡沫到了她眼睛的高度。

《柯林斯英汉双解大词典》

45 min the water level in the primary loop continues to drop. Gauges in the control room erroneously indicate that the water level is up.

45分钟主回路的水位继续下降。控制室中的仪表误报水位在上升。

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Customers were unable to get through as the level of water rose halfway up the office, he explained.

BBC: York businesses count cost of flooding

Upstairs, he found that a frozen toilet had shattered and fallen away from the wall, snapping off the feed line at floor level, and water was jetting up to the ceiling.

NEWYORKER: Idols

It can recover up to 95 percent of the water, depending upon salinity level.

FORBES: Company Aims to Desalinate Fracking Water, a $1.6 Billion Market