倒转

Objective To evaluate the efficacy of intravertebral analgesia for external cephalic version.

目的 系统评价应用椎管内镇痛行臀先露外倒转胎位术的有效性。

It has been set in a medieval mounting and given a foot made of an inverted cup of chalcedony.

它先是被放置在一个中世纪的承托物上，然后又放在一个倒转的玉髓杯子上，作为承托。

Mumbai stands for cosmopolitanism and we cannot expect this modern metropolis to turn the clock back.

孟买主张世界主义，我们不能指望这个现代化的大都市，使时钟倒转。

The shear type and strata relation prove the tectonic pattern of deposit is downfold.

矿区对冲断层的存在，解释了前行剪切的成因以及两翼的倒转，揭示了矿床的整体变形过程。

It is based on the various manifestations of tectonic movement, magmatic activities, geomagnetic polarity reversal, and eustatic changes in the earth's expansional and contractional stages.

其根据是构造变动、岩浆活动、地磁极倒转以及海平面升降等方面，在地球的膨胀和收缩期，均有各种表现。

Know to all, The refract wave exist an precondition, that is the bottom medium velocity is bigger than upper, then medium interface produce the refractive wave, if the medium exist the speed turn in reverse, and low speed in false bottom, the medium interface can not calculate.

众所周知，折射波存在的前提是下层介质的速度一定要大于上层介质的速度，这样才能在界面形成折射波，如果存在低速夹层和速度倒转，则利用折射波来求取表层结构难以进行。

Instead the current Chengde synclinal basin is almost certainly the consequence of footwall deformation below the north-directed Chengde County thrust as indicated by (1)its northward-overturned geometry, and (2) the influx into the southern part of the basin of coarse sediment whose protolith appears to be the Chengde County allochthon.

现今承德向形盆地主要是由于向北冲断的承德县冲断层下盘变形的结果，主要是(1)它向北发生倒转；(2)盆地南部的粗碎屑沉积的物源主要是来源于承德县的异地体。

Past reversals have taken place over a short period of time geologically speaking, 10,000 years or so.

过去的倒转在地质学上的说法是发生在一个短的时期，大约1万年。

The last geomagnetic reversal for Earth was about 780,000 years ago.

地球上最后一次地磁倒转大约是78万年前。

We get an overturned glyptodont in the far right lane.

在右车道有一只倒转的雕齿兽。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。