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This contributes to the rigidity of the bearing and a precise radial guidance of the shaft. For special applications, full-complement cylindrical roller bearings are employed. The cylindrical roller bearing designs are shown in Figures 1.20 and 1.21.The designs of cylindrical roller bearings are distinguished by the arrangement of the lips. Design NU (Figure 1.21b) has two lips on the outer ring, the inner ring being lipless. In design N (Figure 1.21a), the inner ring has two lips, the outer ring has none. Cylindrical roller bearings of designs NU and N are applied as floating bearings because the rollers can freely shift on the lipless ring in the axial direction. Cylindrical roller bearings NJ (Figure 1.20) have two lips on the outer ring and one on the inner ring; they can take up axial forces in one direction. Design NUP (Figure 1.21d) is installed as a locating bearing to sustain frequently reversing axial forces.

这可以提高轴承的刚度，和主轴精密的径向引导，对于特别的运用，密排的圆柱滚子轴承被运用，圆柱轴承的图样在图。20和1.21展示圆柱滚子轴承图样由挡边的不知来区分，图样NU(图1.21b)在外圈有两个挡边，内圈无挡边，在图样N中内圈有两个挡边，外圈无挡边，图样NU和U所示的圆柱滚子轴承可制作浮动轴承因为滚子能够在轴向无挡边环上自由的移动，圆柱滚子轴承NG在外圈上有两个挡边，内圈上有一个，它们能够在某个方向上承受轴向力，图样NUP（图1.21d）被用来安装在一个保持经常扭转轴向力的固定轴承上。

Note the missing fuselage panels behind the cowling which were replaced by louvered panels of Chinese design and which distinguished Zero 3372 in subsequent photographs.

注意发动机罩后面那块丢失了的机身蒙皮已由中国机械师设计的百叶窗式散热口的蒙皮来替代了。这使得3372号'零'战在下面的照片中非常容易区分。

Was it the distinguished gentlemen from Lowa?

这就是一个来自爱荷华大学的优秀绅士的样子吗？

Large and small luteal cells could be distinguished from cell morphology.

大小黄体细胞在细胞型态上有明显的区别。

The second etymology would imply a historical relationship between the Essenes and the Hasidim (Hebrew:"pious ones"), the faithful Jews who distinguished themselves during the Maccabean revolt ca.

第二词源将意味著一个历史之间的关系和爱色尼Hasidim （希伯来文：&虔诚者&），忠实犹太人谁尊敬自己在Maccabean起义（约公元167年）。

The environment of civilization origins can be distinguished into two different kinds: macrocosmic environment and heartland environment.

中国与希腊文明是东西方文明的源头，对它们所处的地理环境进行比较，有助于理解两个文明在发展中所出现的差异。

Results Contrast CT or MRI showed prominent irregular circular or nodular enhancement in 14 of 16 cases (64%),can not distinguished from postopertative changes, radioinjury, tumor residue or recurrence.Among them, 9 cases showed tumor residue or recurrence based on significantly increased FDG uptake, 5 were confirmed by pathologic study. The other 5 cases of cerebral necrosis and 2 cases with postoperative cerebral malacia demonstrated FDG uptake defects.

结果 16例中87.5%(14例)CT和MRI表现不规则环形或结节状明显强化，不能准确作出手术后改变和放射治疗后脑损伤、残存肿瘤或肿瘤复发的诊断；其中9例残存肿瘤或肿瘤复发病灶18F-FDG PET影像表现为葡萄糖代谢明显增高，有5例得到手术病理证实；另5例术后放射治疗后脑损伤患者和2例术后软化灶18F-FDG PET影像均显示局部病变区为放射性分布缺损或明显低下。

Based on using those specific PCR primers, a unique 190 bp hand was obtained by PCR amplification from genomic DNA of Venturia inaequalis of apple and it can be accurately distinguished from patbogens of Alteraria mali, Marssonia mali and Podosphaera leucotricha, the common apple leaf spot diseases.

利用这对引物能从苹果黑星病菌基因组DNA中扩增出一条分子量为190bp的特异性条带，准确地把苹果斑点落叶病、苹果褐斑病和苹果白粉病等常发性苹果叶斑病害区分开。

There were four distinguished phases in the transit of theparamagnetic contrast agent through the parenchyma: cortical,corticomedullary, medullar, and excretory phases.

顺磁性造影剂通过肾实质可分为4期：皮质期、皮髓质分界期、髓质期及肾盂期。

Doritis pulcherrima has 19 pairs of metacentric or submetacentric chromosomes which could not be distinguished from each other by conventional cytological techniques.

朵丽兰具有19对中位中节或次中位中节的染色体，其无法经由传统的细胞遗传学技术来辨识。

I didn't watch TV last night, because it .

昨晚我没有看电视，因为电视机坏了。

Since this year, in a lot of villages of Beijing, TV of elevator liquid crystal was removed.

今年以来，在北京的很多小区里，电梯液晶电视被撤了下来。