查询词典 breech

AIM To study the application of air sac obstetric apparatus in natural vaginal labor and its role in avoiding the conventional cesarean section in abnormal position of fetal head and the breech presentation with normal weight i nfants.

目的 通过对胎头位置异常120例及臀位60例施行气囊助产术研究，可使多数按常规处理应行剖宫产术的胎头位置异常者转化为阴道分娩，还能顺利解决正常体质量之臀位经阴道分娩。

Objective To investigate the airbag midwifery breech delivery in the clinical application.

目的 探讨气囊助产在臀位分娩中的临床应用价值。

This design used a system of levers within the breech block, to release the firing pin, that rusted easily in jungle climates.

枪机设计使用了一套复杂的杠杆系统来释放撞针，这种设计很容易在雨林的气候下生锈。

It is blowback operated, locked breech design, with rotating barrel.

这是后坐力操作，锁定臀位设计，旋转桶。

The researchers found that men and men and women who had been breech-delivered ran more than twice the risk of breech delivery in their own first pregnancies.

研究人员发现，无论是男人还是女人，如果他自己是臀位分娩出生的，则其第一胎子女臀位分娩的几率为正常水平的两倍。

The rules of the distribution and magnitude of dynamic stresses of the breech mechanism in three different situations have been studied. The intensity of the breech mechanism has been checked.

研究了闭锁机构在三种不同情况下的动态应力分布规律，校核了闭锁机构的强度。

In breech-loading firearms that is withdrawn to insert a cartridge and replaced to close the breech before firing.

从后膛装弹的枪炮上的一个金属闩，在开火前我们先把这个闩向后拉，放进弹药，再把它关上，然后才能进行战斗。

A sliding bar in a breech-loading firearm that ejects an empty cartridge and replaces it and closes the breech .

排出空弹药筒代替它并关闭膛部的后膛装药框架中的滑栓。

A metal block in breech-loading firearms that is withdrawn to insert a cartridge and replaced to close the breech before firing.

从后膛装弹的枪炮上的一个金属闩，在开火前我们先把这个闩向后拉，放进弹药，再把它关上，然后才能进行战斗。

The parts of a gun that make up the breech.a metal block in breech-loading firearms that is withdrawn to insert a cartridge and replaced to close the breech before firing.

从后膛装弹的枪炮上的一个金属闩，在开火前我们先把这个闩向后拉，放进弹药，再把它关上，然后才能进行战斗。

On the other hand, the more important thing is because the urban housing is a kind of heterogeneity products.

另一方面，更重要的是由于城市住房是一种异质性产品。

Climate histogram is the fall that collects place measure calm value, cent serves as cross axle for a few equal interval, the area that the frequency that the value appears according to place is accumulated and becomes will be determined inside each interval, discharge the graph that rise with post, also be called histogram.

气候直方图是将所收集的降水量测定值，分为几个相等的区间作为横轴，并将各区间内所测定值依所出现的次数累积而成的面积，用柱子排起来的图形，也叫做柱状图。