The water clock told the time by the water level in the bowls.
水钟是根据碗中的水位来报时的。
There wasn't enough difference between the height of the ground level and the water level.
地面高度与水位没什么明显的区别。
When they dropped a stone into a wide tube, the water level raised in a connected narrow tube.
当他们把一块石头扔进一个粗试管时，相连的一个细试管里的水位上升了。
The falling water level denoted the passing hour as it dipped below hour lines inscribed on the inner surface.
当下降的水位低于内表面刻下的小时线，表示经过了多少时间。
For example, a pond in hilly country that maintains a steady water level all through a dry summer in spite of having no streams flowing into it must obviously be seepage dominated.
例如，在丘陵地区的一个池塘，尽管没有小溪流入但在整个干燥的夏季保持稳定的水位，显然一定是以渗流为主。
According to Fan, changing the water level strains them.
根据范晓的说法，水位的改变使断层紧绷。
All these earthquakes happened when the water level in Zipingpu reservoir was low.
所有这些地震都发生在紫坪铺水库水位很低的时候。
Then, the water level began to drop at a rate of 30 centimeters (about a foot) each year.
那时，水平面开始以每年30厘米的速度下降。
Trees may use several quarts a day, so check the water level in the stand every few hours.
一棵树一天要消耗好几夸脱的水，所以你得隔几个小时就检查一次架子里的水位。
It now covers 4, 600 hectares and its water level is declining by 20 centimetres annually.
现在红碱淖占地4600公顷，每年水位下降20厘米。
The water level in the lake in late summer 2010, however, was unusual if not unprecedented.
然而在2010年夏末，就算不能说水位是史无前例，也可以说是非同寻常的高。
Manchhar lake is Pakistan's largest freshwater lake, and its water level varies considerably over time.
曼查尔湖是巴基斯坦最大的淡水湖，其水位随时间变化非常大。
Firstly comes a gradual change in water level, the forerunner, a few hours ahead of the storm's arrival.
首先出现水位的逐渐变化，这是风暴到达前几小时的先兆。
The Yangtze river's water level in the provincial capital, Wuhan is rising by nearly half a meter per day.
长江在省会武汉的水位每天上升半米。
Disadvantages: Expensive; can be fiddly, since you need to adjust the water level until it's right for you.
缺点：贵；因为你需要调整水量来调整舒适度，所以可能会比较不便。
At a water level of 1,447 feet (441 meters) above sea level, Devils Lake spills into neighboring Stump Lake.
当水位达到海拔1447英尺(441米)时，魔鬼湖的湖水可以流到临近的斯顿普湖。
At a water level of 1, 447 feet (441 meters) above sea level, Devils Lake spills into neighboring Stump Lake.
当水位达到海拔1447英尺(441米)时，魔鬼湖的湖水可以流到临近的斯顿普湖。
With the water level now gradually receding, Chen and his 20 comrades are lodged in villages near the flood zone.
如今，洪水正慢慢褪去，陈夏勇和20位战友还住在洪灾区附近的老乡家里。
4 min 30 SEC Operators observe that the water level in the primary system is rising and that the pressure is decreasing.
4分30秒操作员观察到主回路的水位在上升且压力在下降。
The 156-meter-high Zipingpu Dam began to fill in December 2004, and within 2 years the water level had risen to 120 meters.
高达156米的紫坪铺大坝于2004年12月份开始蓄水，两年内水位已经涨到了120米。
The Balkhash lake, he said, was “losing water.” “The water level is now lower by more than two metres to what it was three decades ago.
他说，巴尔喀什湖正在“失水” “现在的水位比三十年前低了两米多。
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。
The Spiral Jetty was constructed in 1970, when the water level was unusually low and was completely submerged in a few years as the level rose.
螺旋码头建于 1970 年，当时的湖面异常地低，几年后湖面升高了，它完全淹没在水中。
By 1950, though, human activities had started to make an impact. Then, the water level began to drop at a rate of 30 centimeters (about a foot) each year.
到1950年，人类活动开始产生深远影响。那时，水平面开始以每年30厘米的速度下降。
If the water level drops far enough, the fuel rods of the reactor proper, which are meant to stay submerged, will be exposed to the steam and other gases.
正常情况下，燃料棒应当沉没在水中，如果水面降得太低，燃料棒将会暴露在蒸汽和其他气体中。
Infinity pools are designed to make it seem as though the water extends to the horizon. In reality, the edge of the pool is usually about an inch below the water level.
泳池的特殊设计让水体看起来如同延伸至视野的边际，但实际上，泳池的边缘被设计成在水平面之下的几厘米处，溢出的水会流到下方的一个集水池中，再被泵回泳池内。
The severe drought, the 1st seen in the past half century, has kept the water level in the Yangtze the lowest since 2003, when the Three Gorges Dam went into operation.
此次旱情属50年一遇，目前，长江水位处于三峡大坝2003年运营以来的最低值。
The surrounding basin is that of Red River, but because Devils lake's own basin is closed, the lake must reach a sufficient water level before the water travels elsewhere.
周围的属于红河的流域，但是由于魔鬼湖流域是封闭的内流区，必须使湖面水位达到足够的高度，水才能流到其他地方。
The surrounding basin is that of Red River, but because Devils lake's own basin is closed, the lake must reach a sufficient water level before the water travels elsewhere.
周围的属于红河的流域，但是由于魔鬼湖流域是封闭的内流区，必须使湖面水位达到足够的高度，水才能流到其他地方。
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