Finally the feasibility of an improvement method on the breech sy…
最后基于不等齐磨损研究了该挡弹机构一种改进方案的可行性。
The Asia survey found the procedure benefits babies during breech births.
本次亚洲研究发现，这种手术对于臀位分娩中的新生儿较为有利。
When the breech was closed and all was ready, the gunner yanked the lanyard.
大炮后膛门关上后，一切准备就绪，炮手拉动引火绳。
Objective To investigate the selection of methods of breech delivery and its complications.
目的探讨臀位分娩方式的选择及其并发症的发生。
Typically, resource utilization is a good indicator that a service-level breech might occur.
通常来讲，资源利用率是可以实现的服务级别的一个很好的指示器。
I like you, is the beginning of breech presentation, exercise is tired, but still very effective.
我和你一样开始也是臀位，做操是累点，但还是很有效的。
Those yield a more effective means for the evaluation of strength and stiffness design of gun breech mechanism.
为火炮炮尾炮闩设计提供了一个更有效实用的结构校核手段。
Then I got the bad news: the baby had turned breech and would need to be delivered by emergency Cesarean section.
接着我得到了坏消息：孩子已经臀位朝下，我需要采取剖腹产手术。
My first birth plan went totally out the window when my baby went breech and I needed an emergency Cesarean section .
我第一次怀孕时的计划就完全落空了，我当时需要进行剖腹产术。
Based on VB6.0, ACCESS2000 and SQL language, this paper designs some breech mechanism failure information database system.
基于VB6.0、ACCESS2000和SQL语言编制了某型炮闩机构的故障信息数据库系统。
A breech-sight tie-in of the golf club comprises a keyswitch and a laser emitter with the breech-sight is located on a box.
高尔夫推杆上的瞄准器接头，瞄准器置于一盒体上，有一按键开关和一激光发射器。
In addition, babies that had been delivered naturally, rather than by caesarean, were at the biggest risk of a breech delivery.
此外，与剖腹产婴儿相比，正常分娩的婴儿出现臀位分娩的几率最高。
Based on the theory of Multi-body Dynamics, we adopt ADAMS simulation platform and establish virtual prototype of breech mechanism.
基于多体力学理论，采用ADAMS软件平台建立了炮闩系统的虚拟样机。
Doctors were already aware that brothers and sisters of babies who presented in the breech position were more likely to do so themselves.
医生已经意识到其兄姊以臀位出生的胎儿更可能也以此种方式娩出。
Conclusion:Trigger points of lumbar and breech muscles with referred pains of buttock and leg are very effective and easy to be applied.
结论：本法对伴有腿部牵涉痛的腰臀肌触发点疼痛治疗有效，并且方便易行。
The principle and methodology of assembly level finite element modeling and analysis of gun breech mechanism were put forward in this paper.
该文针对火炮炮尾炮闩机构提出了对其进行装配体有限元分析的方法和建模原理。
C-sections save lives in breech or multiple births, for example, or when a mother has dangerously high blood pressure or a fetal heartbeat fails.
或者在母亲血压太高或者胎儿心跳暂停的时候，剖腹产本来可以挽救生命。
In this article, we eported 201 singleton of breech presentation by B-mode ultrasound made 2 weeks before term. some criteria for breech delivery are as following.
本文201例单胎臀位在产前2周进行B型超声检查，为分娩方式提供多项参考指标。
Hopefully your baby has positioned herself in a head-down position by now. if she is still sitting with her head upright and feet down, she is in the breech position.
希望你的宝宝已经位于头部朝下的位置了，如果她仍然头朝上脚朝下，她处于臀位出生的位置。
If your baby is breech, may need thirty-seven weeks in vitro rotary surgery, obstetrics and gynecology doctors will hand on your belly, try to put the baby upside down.
如果你的宝宝是臀位，三十七周时可能需要体外回转术，妇产科医生会将手放在你的腹部，试着把宝宝倒转过来。
But, it cautioned, more evidence was needed of a genetic link before doctors warned mothers of a higher risk of breech delivery if their parents had also been born bottom-first.
但同时也警告说，对于父母为臀位分娩出生的人来说，医生在告知产妇具有臀位分娩高风险之前，应获得充分的证据支持。
D assembly FE modeling and dynamic elastoplastic analysis are carried out for the obturator structure of a floating gun breech mechanism by using nonlinear finite element code MSC MARC.
利用大型非线性有限元MARC ，对某自动迫击炮浮动炮闩闭气结构，进行了三维装配体有限元建模和动态弹塑性分析，获得了关键闭气构件的应力、塑性应变和变形的动态响应。
It is proved that the uniform density hypothesis is the sufficiency condition for the proportional expansion hypothesis under the existence of the breech boundary motion and the mass jet.
同时，证明了存在膛底边界运动和质量加入条件下的拉格朗日假设是比例膨胀假设的充分条件。
The breech lock closure type heat exchanger is characterized by reliable sealing performance, easy dismantling and assembling, high utilization ratio of heat exchange area and small grounding.
螺纹锁紧环换热器具有密封性能可靠，拆装方便，换热面积的利用率高，结构紧凑，占地面积小等特点。
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。
If this occurs, keep the muzzle pointed in a safe direction. Keep your face away from the breech. Then, carefully open the action, unload the firearm and dispose of the cartridge in a safe way.
如果发生了这种情况，要保持枪口朝向安全的方向，并使你的脸远离枪管尾端，小心地打开枪机，卸下哑弹并妥善处理。
Based on different theories and techniques for the reduction of stress concentration, and on the basis of forms of breech ring fillets in general use, over a dozen of fillet forms are proposed.
根据降低应力集中的理论和技术措施，在现有常用的炮尾闩室圆角的基础上，提出了十几种圆角形式。
Taking structure weight as objective function, the optimization model of overweight breech of a type of automatic weapon was established, and its structure topological optimization was performed.
以结构质量为目标函数，建立了某自动武器超重部件枪尾的优化模型，进行了结构拓扑优化。
Taking structure weight as objective function, the optimization model of overweight breech of a type of automatic weapon was established, and its structure topological optimization was performed.
以结构质量为目标函数，建立了某自动武器超重部件枪尾的优化模型，进行了结构拓扑优化。
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