在阿拉伯沙漠中水洞很少。
Watering holes in the Arabian desert are few and far between.
同时，还进行了水洞和烟风洞的模型流态观察。
The stream mode of the building models arc also observed in water tunnel and smoke tunnel tests.
对电站尾水洞比较了直尾水洞和弯尾水洞两种布置形式。
Owing to the reaction of flood discharge surge, the water oscillation at the exit of straight tunnel is larger than curved tunnel.
自那时起，“水洞”及氢元素放射频率周围被用于相关的搜寻。
Since then, the term "water hole" has been used to refer to searches at or around the hydrogen emission frequency.
在水洞实验台上进行了S型叶片绕流的实验观察与实验数据采集。
Experiment and data collection of flow status around S-shaped blade were performed on a water tunnel experiment rig.
在水洞中研究了三翼面流动分离和三翼面布局飞机大迎角的流动机理。
The flow visualization and measurement technology were used to study the flow separation, development of mass vortex and flow control mechanism of triplane at large angle of attack in a water tunnel.
试验和理论分析表明，水流的初生空化和空蚀可以利用常压水洞来模拟。
Experiment and theory analysis shows that the inception cavitation and developed cavitation can be simulated by hydraulic tunnel device in laboratory.
计算的流场与水洞进行的激光诱导荧光显示技术的流场显示结果进行了对比；
The comparison was made between the computed flow field and the flow pattern performed by LIF in a water tunnel.
通过水槽和水洞的实验，研究了超疏水性表面在不同流动条件下的减阻特性。
The last, through experiments of flume and water tunnel, the liquid slip effect on drag-reduction over super -hydrophobic surface for various flow conditions was researched.
研究过程中在中国船舶科学研究中心进行了水洞模型实验和水弹道模型实验。
The model's water tunnel experiment and model trajectory experiment are made in the China Ship Science Research Center.
水洞试验和计算结果表明，优化外形的阻力有较大降低，噪声性能有一定改善。
The experiments in water tunnel and the design data indicate that the drag and noise of the optimal shape are improved.
为分析箭的流体力学性能，进而完善射箭动作技术理论，对箭进行了水洞和风洞实验。
The water tunnel and wind tunnel test on arrow aims to make clear the hydrodynamics performance of arrows and to improve the technical know-how of archery movement.
计算结果表明，尾水调压室断面面积随水轮机工作水头的增大或尾水洞长度的缩短而减小。
The calculated result from an example shows that the stable sectional area reduces with the increase of working head, or the decrease of the tailrace tunnel length.
在北航水洞通过染色线显示和荧光诱导激光片光技术，对旋成体的流场结构进行了实验研究。
Experimental study on the flow structure around a slender body of revolution was conducted by streak and laser-induced fluorescence technique in water tunnel.
空化水洞一般包括工作段、水流循环系统、溶解气体控制系统和水洞工作段控制系统等几个部分。
It commonly consists of working part, water fluid system, dissolved gas controlled system and working part controlled system.
本文根据水洞观察的结果，分析了圆柱体尾流中，卡门涡街形成的原因是由于流动的不稳定性所产生。
Based on the observation and analysis of flow visualization the mechanis of the vortex street has been recognized to be a flow instability probler.
通过砂坝底下建造地下管道或者在沙中开挖蓄水洞，便可以在雨后连续几个月内抽取这些自然净化过的水。
Clean water can be drawn for up to several months after the rains have fallen through pipes underneath the DAMS or by digging a hole in the sand.
利用在一个机翼翼梢安装的翼梢小翼形成受扰动旋涡，在风洞和水洞中对受扰动涡的自组织过程进行了测量。
The self-organization of vortices disturbed by different taps are measured both in wind tunnel by PIV and in water tunnel by LDV.
锡水洞旧石器时代文化遗址的发现，首次揭示了早在旧石器时代早期，秦岭山区就已成为我国古人类生栖的地方。
The discovery of Xishuidong Palaeolithic Site proved firstly that the Qinling Mountains in Palaeolithic period was the place where mankind lived.
然而，在20世纪80年代后期，一些科学家在美国西部的内华达探索魔鬼洞，这基本上是一个广阔的充满水的洞穴，并且远离海洋。
However, in the late 1980s, some scientists were exploring Devil' s Hole, which is basically an extensive water-filled cave, far from the ocean, in Nevada2, in the western United States.
摇摇欲坠的房子没有电；厕所就是地上的一个洞；全家喝的是不干净的水。
Her ramshackle house lacks electricity; the toilet is a hole in the ground; the family drinks dirty water.
当去年美国国家宇航局为了寻找水源在月球上炸出一个洞，科学家就认为会有溅上的水，只是他们不知道有多少。
When NASA blasted a hole in the moon last year in search of water, scientists figured there would be a splash. They just didn't know how big.
在湿的土壤中水平的打一些洞，然后泵入液氮对水进行冷冻，直到隧道可以被挖掘和用水泥封住。
Horizontal holes were drilled into the wet soil and liquid nitrogen was pumped in, freezing the water until the tunnel could be dug and cemented.
在每一个土堆顶上都有一个洞，旁边都用一些被弯曲的木头围住，水就经过那个流在地上，这些木头就好像木嘴唇一样。
On the top of each was a hole, the edges of which were defined with twisted logs, set flush into the ground, like wooden lips.
他正站在他挖的干砂洞旁，旁边还有一个巨大的用来盛水的锅。
He was standing by the pit he had dug in the dry sand, with a huge water pot beside it.
他的帽子是破旧的，衣服是磨损的，他的袖子有洞，水浸透他的鞋底，星光照彻他的灵魂。
His hat was old, his coat was worn, his elbows were in holes; water trickled through his shoes, and the stars through his soul.
由于冰山撞毁了其右舷，把船上的钢板撞开了一个洞，海水进入了六个水舱。
As the ice bumped along its starboard side, it punched holes in the ship's steel plates, flooding six compartments.
好比一条有洞的船，想将里面的水舀干，却不去堵漏的话，无止境地舀也无济于事。
Think of bailing out a boat with a hole in it. You can bail and bail, but it won't do anything for the leak.
好比一条有洞的船，想将里面的水舀干，却不去堵漏的话，无止境地舀也无济于事。
Think of bailing out a boat with a hole in it. You can bail and bail, but it won't do anything for the leak.
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