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Methods: The sign object was put at each acromial end and clavicle end of normal acromioclavicular joint. And then acromioclavicular joint was tested the locations in abducetion+superduct 、 endoduction 、 anteflexion 、 post-extention 、 external and interior rotation by using 3D- laser scanning camera .Computer calculate the rotation of the two sign objects in x 、 y 、 z axis(x delegate clavicle axis,y delegate coronal section ,z delegate sagittal axis).

通过在正常活体肩锁关节的锁骨端及肩峰端分别安装一个激光照相扫描仪的探测端子，3D-激光扫描相机扫描肩关节在做前屈+上举，后伸，外展，内收，外旋及内旋等不同位置下两端子的位置，通过计算机计算出两端子在X、Y、Z轴（X轴代表锁骨的长轴，Y轴为冠状面与X轴垂直轴，Z轴为矢状轴）上的旋转情况。

Literature Research The etiological factors of POF are not still clear. The changes of sites and numbers in X chromatosome, X; autosome translocations, a forkhead transcription factor gene (FOXL2) mutations, FRAXA premutations and inhibits gene mutations are found in POF patients, so genetic disorders have been thought to be involved. Irradiation, chemotherapy or pelvic operations can damage ovaries and cause ovarian atrophy and failure, so it is thought one factor of POF.

一、文献研究 POF的确切病因目前尚不清楚，从POF患者体内检测到X染色体上位点和数目的变化，X染色体与常染色体间的平衡易位，脆性X基因前突变，FOXL2基因突变，抑制素基因突变等，故认为POF发生与遗传因素有关；由于放射、化疗或盆腔手术等可损伤卵巢，导致卵巢萎缩，出现卵巢衰竭，故也是导致POF的因素之一。

According to the general process of enacting enterprise strategy and thebackground of the X enterprise ,this paper analysis the external environment and theinternal environment completely and systematically, and use the BCG matrix ,SPACEmatrix and SWOT matrix analysis method to make the developmental combine strategyof X enterprise as: market develop and product osmose strategy, product differentiationstrategy, integration strategy, coorperative strategy and avulse strategy.

本文按照企业战略管理的一般过程，根据为 X 企业制定发展战略的背景和目的，对 X 企业目前的外部环境和内部环境进行全面系统的分析，再利用战略管理理论中的 BCG 矩阵分析、SWOT 分析和 SPACE 矩阵分析，为面临动态竞争环境的 X 企业制定了以下发展战略组合：市场开发渗透战略、产品差异性战略、一体化战略、合作战略和剥离战略。

X ; // decrement x by one and returns the new value of x

将x的值减1并返回现在的x的值。

In the second part, we firstly give the definitions of the double inverse limit and some dynamical properties related, then we use the above way to study the dynamical relations between the systems and lim{X, f^g},σ_f^σ_g...

在论文的第二部分，我们模仿逆极限{X，f的定义，提出了双重逆极限{X，f^g的概念，并针对X上的两个交换的自映射f和g，类似定义了系统上的一些动力性质，并证明了系统与系统(？{X，f^g}，σf^σ_g之间在这些动力性质上的一些相关结果。

Skull x-ray film showed expansile osteolytic lesion over the left parietal area and the chest x-ray increased reticulonodular infiltration in both lung fields. There was no abnormal finding in the long bone survey or abdominal sonography.

之后的检查结果包括：头部X光检查发现在左侧顶骨处有扩张性的蚀骨病灶；胸部X光摄影显示在二侧肺野均有网状结节状浸润增加的情形；长骨X光检查与腹部超音波扫描皆无异常。

Xist and Tsix are imprinted in the extraembryonic tissues of mouse embryos so that they are expressed from the paternal and maternal X, respectively, resulting in the preferential inactivation of the paternal X.

Xist和Tsix在小鼠胚胎的胚外组织中是印迹的，Xist在父本X染色体上表达而Tsix在母本X染色体上表达，导致父本X染色体的优先失活。

Lighting setup are two KZ fixtures with each 8 x 54 W T5 (2 x Fili Purple / 2 x Narva blue / 12 x KZ New Generation).

KZ灯架， 8 x 54W T5HO (2斐济蓝/ 2 Narva蓝/ 12 KZ混合形新品)至少到现在，我还满意，没有想重用我旧缸的HQI

Lighting setup are two KZ fixtures with each 8 x 54 W T5 (2 x Fili Purple / 2 x Narva blue / 12 x KZ New Generation). So far I do not miss the shimmer of the HQI to much older picture

KZ灯架， 8 x 54W T5HO (2斐济蓝/ 2 Narva蓝/ 12 KZ混合形新品)至少到现在，我还满意，没有想重用我旧缸的HQI

It reformed the coventional grazing incidence method of reflecting x ray, and made it possible to reflect x ray in normal incidence way.

它从根本上改变了传统的掠入射反射x光的方法，使正入射反射x光成为可能，并极大的促进了x光学的发展。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。