置换的

After knee joint replacement, the artificial joint should bear the weight of the body, furthermore, when it is flexing or whirling, it must be flexible and have a good stability. To make a coordinated movement between the joint prosthesis and the retained soft tissue, the geometry of joint prosthesis must match human body.

膝关节置换后，要求患肢达到负重、伸屈及旋转活动，稳定性好，这就要求假体的几何形状要与人体相匹配并使其植入后与人体运动规律相一致，才能使假体与周围保留的软组织协调运动，这一切都得依赖于精确的膝关节假体设计与制造。

Xanthan polymers enhance oil recovery by improving water flooding and the displacement of oil.

黄元胶通过增加水的涌入量并置换出油的方式提高油的回收率。

Hydrogen always has valence 1, so other elements' valences equal the number of hydrogen atom s they combine with.

元素的特征价数是以该元素一个原子可结合的氢原子数或可从一化合物中置换出的氢原子数来表示。

By definition boats are about displacement of volume, carving volume below the waterline, but minimizing drag by designing sleek profiles.

从定义上说，船是一种体积的置换，排开水线下的体积，并以设计的平滑剖面将拖曳力最小化。

Intermediary companies emergence of a lot of reasons : First, the intermediary market threshold too low, a telephone, a table and two chairs can be made real video, post signs replacement property.

中介公司大量涌现的原因，一是进入中介市场的门槛太低，一部电话、一张桌子、两把椅子就可以打出房产租售、差价置换房产的招牌。

Informally, the substitution group headed by a given element consists of the set of elements that can be substituted for the head element without affecting the outcome of schema validation.

非正式的说，以一个特定元素开头的置换组由一组元素组成，这些元素可以替换头元素而不会影响模式验证的结果。

Also, if two participating ISSDs each contain a definition of an element name E , the substitution group headed by E must be equivalent in both ISSDs.

而且，如果两个参与ISSD每个包含了元素名 E 的一个定义，以 E 开头的置换组在两个ISSD中必须是等价的。

The M5′s 7-speed SMG Drivelogic system features gear-change keys on the steering wheel and a selection lever on the central console for Formula One- style driving.

BMW M5的7档SMG变速系统的特点在于，方向盘上设置换档按键，中央控制台设置选择杆，给人以F1方程式赛车的驾驶感觉。

Durng the construction of continuous underground wall, after the hole is drilled by special drilling machine to set depth, grout is first pressed via the core tube of drilling rod to the hole, sealing device and the reinforced bar cage are then set in the hole, and concrete is finally deposited with the displaced grout is recovered.

本发明涉及一种地下连续墙的施工方法，用专用钻孔机钻孔，达到预定深度后，经钻杆内芯管向孔底压注水泥浆，直至浆面高于易塌孔位置，在注满水泥浆的槽孔中放置封口器，再放钢筋笼，从孔底开始灌注砼，同时由孔中回收被砼置换上来的水泥浆。

The relatiely good results and the few complications that follow osteotomy must be compared with the risk of major late complications, especially significant bone loss with loosening and infection, that may follow a relatiely brief period of more spectacular relief of pain and improed motion after a total hip arthroplasty.

截骨可获得较好的结果且并发症少，与之相比虽然全髋关节置换术后疼痛可暂时显著缓解且关节活动度增加，但有发生各种晚期并发症的危险，尤其是松动及感染会引起的大量骨丢失。

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。