置换的

This is accomplished by means of a loose fitting piston, known as the displacer, which moves back and forth inside the cylinder, thus shuttling the gas from one end to the other.

这是通过一个宽松活塞作为置换剂，它的移动来回汽缸内的已知手段，从而穿梭从一端到另一气体。

The displacer is a loose fit within the hot cylinder, allowing the gas to pass down the sides as it moves up and down.

该置换剂是汽缸内的一个热点宽松，允许气体传下去，因为它的两侧上下移动。

Femoral stress has been studied by electrometric experimental stress analysis methods to know about femoral stress value and its distribution case in front and rear of replacement to artificial femoral head.

结果表明：股骨内外侧应力大于前后侧应力；人工股骨头置换术后股骨头近端应力明显下降；在使用骨水泥固定后，股骨上各点应力无大的变化，而当使用带颈领的人工股骨头时，股骨头近端应力下降受到抑制。

Other enumeration problems lead us to the study of orbits of permutation groups.

其它的计数问题引导我们去研究置换群的轨道。

Rh blood; erythroblastosis, fetal; infant, newborn; plasma exchange; blood transfusion

本文对孕妇进行产前血浆置换降低血清中致病性Rh 抗体的效价，对产后患儿采用Rh阳性血代替Rh 阴性血换血治疗，收到满意的疗效。

The frequency of replacement is a function of the sensitivity of the instrument i.e.

阱的置换频率是这个装置的一个敏感要素。

Total hip replacement is an effective method to treat hip joint disease.

实践证明，人工髋关节置换术是治疗髋关节疾病的一个有效的方法。

Total hip replacement is now recognized as an effective treatment method of hip joint disease, but its complications - deep vein thrombosis can not be ignored.

人工髋关节置换术是目前公认的一种有效治疗髋关节病变的方法，然而其并发症--深静脉血栓不容忽视。

Operation of displacement of complete hip joint is 20 centuries a great progress on medical history, it is painful to removed for patients of a lot of disease of terminal hip joint, make they can go up too the life of high quality.

概要： 全髋关节置换手术(total hip arthroplasty，THA)是20世纪医学史上的一项伟大进步，为许多晚期髋关节疾病患者解除了痛苦，使他们能过上高质量的生活。

Simulation operating system on the storage management pages replacement procedures, Holbrook.

关于模拟操作系统的存储管理页面置换程序，挺好的。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。