置换

We are aware of association between metal-on-metal articulation hip replacement and soft tissue injury.

我们都知道金属之间的关联，对金属人工髋关节置换和关节软组织损伤。

Howeer, it immediately became apparent that success depended on careful selection and ealuation of patients, as well as on meticulous attention to operatie technique and asepsis.

然而，人们很快发现置换手术的成功有赖于慎重地评价和选择病例，以及密切注意手术技术和无菌原则。

In the dissertation,the physical and mathematical model for a assembly room with displacement ventilation system are established.

本文针对一个采用置换通风系统的典型会议室，建立了物理模型及数学模型，采用k ？

This is one of the most audacious substitutions in Hitchcock's long practice of leading and manipulating us.

这是希区柯克此次中最大胆的一个角色置换。

Automorphism group of a linear code is obtained with the help of the general linear group constructed by all invertible matrices,and it is illustrated by matrices generalized inverses.

文 [1 ]给出了判断一个置换矩阵是否属于自同构群的充分必要条件，文 [4]在此基础上利用矩阵广义逆理论对自同构群进行研究得出了一些有用的结论。

Well, if it's replacement time and you don't want to blow beaucoup bucks on high-end 'phones, Altec Lansing offers an incredibly wide selection.

那么，如果它的置换时间和你不想在打击行万里路雄鹿高端的电话，altec兰辛提供了弥足多幅。

Three ways leads to the synthesis of fenclorin, one way discussed here has 3 steps. Stepl :benzonitrile using as raw material goes though dry hydrogen chloride and becomes a-imino phenylmethyl ether after meet carbinol.

解草啶的合成主要有三条路线，本文选取合成路线是以苯甲腈为原料，经三步反应而成：1、苯甲腈在干燥的氯化氢通入，与甲醇形成亚氨基苯甲醚，通入氨气后置换甲氧基得到苯基脒盐酸盐(收率76.18%)。2、苯基脒盐酸盐在碱性条件下与丙二酸二乙酯环合而得嘧啶醇(收率84.39%)。3、嘧啶醇在三氯氧磷中羟基被氯化得到产品解草啶(收率87.29%)。

On the other hand, we took 7 patients with severe bicuspid valve disease and heart failure into group B1, all these pati...

同期收治风湿性二尖瓣疾病合并全心衰竭患者7 例分为B1组，于二尖瓣置换术中经左、右冠状动脉及心肌内注射干细胞悬液。

The valve replacement with partly or whole mitral valve structure can improve the ventricular internal diameter, ejection fraction, cardiac index and stroke volume, thus improving cardiac function. However, bicuspid valve restenosis should be avoided through active observation.

保留部分或全部二尖瓣结构的瓣膜置换能更好地改善左心室内径大小、射血分数、心指数、每搏输出量，从而改善心脏功能，但要积极观察以避免出现二尖瓣再狭窄。

The increasing trend of foreign currency assets determines the continuance of Central Bank Bill as debt replacement instrument.

外汇资产的递增趋势决定了央行票据作为债务置换工具的可持续性。

Do you know, i need you to come back

你知道吗，我需要你回来

Yang yinshu、Wang xiangsheng、Li decang,The first discovery of haemaphysalis conicinna.

1〕 杨银书，王祥生，李德昌。安徽省首次发现嗜群血蜱。