无前因的

Methods Pre revision X－ ray films of 39 aseptically loosened hip prosthesis were observed. The incidence of liner osteolysis and expansile osteolysis around components in different regions was statistically determined according to different kinds of prosthesis and the width or area of osteolysis.

方法观察因无菌性松动行翻修术的39个国产人工髋关节的术前X线片，按关节类型分组统计假体周围不同区域衬性和膨胀性骨溶解的发生率，并测算溶骨带宽度或溶骨面积。

Methods:Pre-revision radiographs of 39 aseptically loosened hip prostheses were observed.The incidence of liner and expansile osteolysis around components was statistically determined according to different site and fixation manner.The width or area of osteolysis waw measured.

观察因无菌性松动行翻修术的39个国产人工髋关节术前X线片，按部位及固定方式分组统计假体周围不同区域衬性和膨胀性骨溶解的发生率，并测算溶骨带宽或溶骨面积。

Although 25 eyes presented with acute angle closure glaucoma, 6 eyes were insidious onset and asymptomatic. While 27 eyes relieved pupillary block after laser iridotomy or surgical peripheral iridectomy, 4 eyes required vitrectomy or laser photomydriasis to relieve pupillary block. Five eyes (16%) developed chronic angle closure glaucoma due to peripheral anterior synechia. one could be controlled by chronic medical therapy, three required trabeculectomy, the another one even required cyclocryotherapy because poor IOP control after trabeculectomy.

虽然大多数的病例（25只眼）以急性发作为临床表徵，但有6只眼为隐袭性，无任何临床症状。27只眼经雷射虹彩瞳孔术或外科周边虹彩切除术后可以解除瞳孔阻塞，另4只眼无法解除而需作玻璃体切除术或雷射光瞳孔放大术。5只眼(16%)因周边前黏连发生慢性隅角闭锁性青光眼，其中1只眼可以药物控制，3只眼需做小梁切除术，另1只眼做小梁切除术后眼压仍无法控制而接受睫状体冷冻治疗。

A child slave on Tatooine, Anakin and his mother Shmi were sold by their owner, Gardulla the Hutt, to the unscrupulous Toydarian junk dealer Watto.

安纳金原来是塔图因星的一个小奴隶，和母亲西米一起被前主人赫特族的伽德拉卖给无良的废品处理商瓦图。

But 2002 is different, a year for her 20th anniversary of her career in show biz.

梅艳芳的名字在国内并不陌生，但是也不可说是最最红，因阿梅从无积极打入内地市场的动力，她前几年也没有真正参加内地的大型活动，或如其他歌星在内地开个唱。

DM soft tissue less and stiffer than healthy group, it's the major factor to cause high forefoot pressure, the ankle dorsiflexion is the 2nd reason, the calcaneus tendon geometry shape was not different between two group.

左脚压力较右脚大之原因为惯用侧，神经病变受测者因本体感觉较差与关节活动度受限使接触时间增加，进而提高压力时间积分，糖尿病足的二、三和四跖骨大於正常足，糖尿病跖骨软组织厚度少於正常足且较硬，此为影响前足受压力影响的主因，背屈则次之，而跟腱的几何尺寸两者并无差异。

It is a general meditation on suffering, and its symbols are archaic, not historical: the gored and speared, the bull louring over the bereaved, shrieking women, the paraphernalia of pre-modernist images like the broken sword, the surviving flower, and the dove.

以下是常见的对苦难的想象，其象征手法古老，但无任何历史一意义：被抵伤和刺伤的马，公牛怒目而视因丧失亲人而放声痛哭的妇女，象断箭一样的前现代派形象的装备、残花与和平鸽。

It has been put forward that there exists single Ball point and double Ball points on the symmetrical connecting-rod curves of equilateral mechanisms.

从鲍尔点的形成原理出发，分析对称连杆曲线上鲍尔点的产生条件，提出等边机构的对称连杆曲线上有单鲍尔点和双鲍尔点。

The factory affiliated to the Group primarily manufactures multiple-purpose pincers, baking kits, knives, scissors, kitchenware, gardening tools and beauty care kits as well as other hardware tools, the annual production value of which reaches US$ 30 million dollars.

集团所属工厂主要生产多用钳、烤具、刀具、剪刀、厨具、花园工具、美容套等五金产品，年生产总值3000万美元，产品价廉物美、选料上乘、质量保证，深受国内外客户的青睐