One of the first water clocks was a basin with a small hole near the bottom through which the water dripped out.
最早的水钟之一是一个在底部附近有小洞的水盆，水从这个洞里滴出来。
In the image, one coronal hole appears near the top center of the sun while another one — a polar coronal hole — is visible near the bottom of the view.
在这个图片里，一个日冕出现太阳中心的顶部附近，而另一个与之相对的日冕，出现在视野的底部附近。
A few days ago a team of geologists also explored the bottom of the Zona 2 hole, you can find the whole Picasa set of photos here.
几天前，一队地理学者到达二号目标区的底部一探究竟。
When the rocket struck the bottom of the crater on October 9 last year it blasted out a hole 70ft to 100ft indiameter and 6ft deep.
去年10月9日，火箭按计划成功撞击到月球坑，坑底产生了一个直径为70-100英尺、6英尺深的大洞。
Oh, sure. One of them has a small hole on its bottom. You didn't say they were made by you. Why didn't you tell us?
哦，当然了。它们中的一个底下还有一个洞呢。你没有说那是你自己做的啊。你怎么不告诉我们呢？
Shirley: Oh, sure. One of them has a small hole on its bottom. You didn't say they were made by you. Why didn't you tell us?
雪莉：哦，当然了。它们中的一个底下还有一个洞呢。你没有说那是你自己做的啊。你怎么不告诉我们呢?。
The rule of reservoir pressure distribution and bottom hole flowing pressure alteration of a periodic trial-produce well in infinity subterranean formation.
无限大地层中—口间歇试采生产井的地层压力分布及井底流压变化规律；
There must be a hole somewhere, I can hear water sloshiny about in the bottom of the boat.
一定是哪儿有个洞，我听见水在船底晃荡。
This is a response of the bottom - hole unloading effect on rock drillability which is a new concept of deep well drillability.
该过程反映了井底岩石的卸载效应，是深井岩石可钻性的一个新概念。
At once it turned and went back into the sand at the bottom of the hole.
它马上转过身回到洞底的沙中去了。
Darcy's law indicates that formation pressure of an oil well has some correlativity with wellbore fluid producing volume and bottom hole flowing pressure.
达西定律表明，油井地层压力与井筒产液量和井底流压具有相关性。
If you plan to have a pinhole at the bottom, drill the hole at the center of the bottom now.
如果你打算在底部打针孔的话，现在就要在底部的中心打洞了。
Two tins, connected with string fixed through a hole in the bottom of each tin and stretched tight, form a good telephone over a few yards.
用一根连线把两个罐头盒串起来，线的两端各自固定在每个罐头盒底部的小孔上，拉紧以后，就做成了相距几码远的很好的一部电话机。
Are output boards at the bottom of each spindle inspected on the hole size & location, hole registration and hole quantity etc?
每轴底部的板子是否检验其孔尺寸，孔位，孔对准度与孔数量等？
With the newest kind of surgery, doctors make a small cut in the patient's belly bottom(button). A camera is placed through the hole to help *(guide) the surgical instrument.
有了这种最新的手术，医生在病人的肚脐上开一个小口。一个照相机通过这个开口放进去帮助指导手术仪器。
This set of components can rotate to the back leakage discharge hole and pump the bottom of the alignment.
这样可以使整套部件旋转至背板漏液排出孔与泵的最底端对齐。
A mathematical model for calculation of bottom-hole flowing pressure of flowing Wells for oil field with non-solution gas drive is proposed.
对非溶解气驱油田提出了一个计算自喷井井底流动压力的统计数学模型。
For this reason, the well designer generally seeks to maximize the fluid velocity (or other measure of jet energy) to achieve maximum cleaning at the bottom of the hole.
正因为这一原因，井眼设计人员一般寻求使流体速度(或其它射流能量)最大化的方法去达到最大程度地清洁井底的目的。
The bottom hole pattern of a well is the aggregation of the pits on the bottom rock cut by the bit teeth in the course of drilling.
井底模式就是钻头在钻凿岩石的过程中，钻头牙齿在井底岩石上打出凹坑的集合。
Just when he is drooping his head, he finds that a new story is lying at the bottom of the hole.
这时，它一低头，忽然发现那个大坑里，多出了一个新的故事。
The reservoir information from flow response on condition of stable bottom hole pressure helps to determine reservoir information.
定井底流压下流量响应所反应出的油藏信息，有助于确定油藏参数。
However, on the first logging run or runs after circulation, the mud may be hottest some distance above the bottom of the hole.
但是，在第一趟测井中或者泥浆循环后测量的井底温度不是最高的，此时最高温度在井底上面的一段距离中测量出来。
A mechanical model of bottom hole assembly (BHA) with eccentric bits is established and the solution of this model was given by means of numerical method.
采用静力分析的方法，建立了偏心钻头底部钻具组合的力学模型，并完成了对力学模型的求解。
The paper stated the water inrush model of shearing failure at the karst sink hole bottom in North China coal field and analyzed the water inrush mechanism of the karst sink hole.
从论述华北型煤田岩溶陷落柱顶底部剪切破坏突水模式及判据入手，分析了井下溶陷落柱突水机理。
In the course of transmission, mud pulse signal mainly disturbed by drilling pump, engine in the bottom hole, air bladder contained in mud and movement of drilling equipment.
泥浆脉冲信号在传输过程中主要受钻探泵、井底动力机、泥浆中的气泡及活动钻具的干扰；
The term refers particularly to a mud sample that has experienced stagnant conditions at the bottom of the hole, including the temperature, pressure and other conditions at that depth.
这个词特指那些经过停滞状态的井底泥浆样本，包括温度、压力和这个深度的其它情况。
In this paper the relation between the hole diameter and the pile thickness of the jet on the hole bottom for a jet penetrating or drilling process is theoretically examined.
本文在理论上探讨了射流在侵彻或钻孔过程中，孔径和射流在孔底的堆积厚度之间的关系。
The formulae for calculating the absolute stress, using the stress-relief method at the bottom of a hole are discussed.
论述了孔底应力解除的原理、方法与算式，解决了绝对应力量测问题。
To pump the drilling fluid until a sample from the bottom of the hole reaches the surface.
泵送流体直到岩样从井底到达地表为止。
The rocks had torn a hole in the bottom of the boat. But the tool chest was intact.
礁石在船的底部戳了一个洞，但工具箱仍是完好的。
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