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Also, it indicated that the common characters of the ancestor and its progenics were valuable similarities in phylogenetics Cladistic analysis in this article showed that there were differences in genus and species classification which demonstrated by data of isoenzymes, keratins and geographical distribution.

中国鹤科支序分析结果表明,鹤科分属及鹤属分种方面,与传统分类有相同之处,也有不同之处,且不同之处均在同工酶、角蛋白及地理分布方面得到佐证。

The results showed that among Asia countries: Indian, burma, China, Pakistan and Kirghiz Republic,Hepatitis E virus genome shifted within the range of 5% and amino acid residues shifted within 1% compared with Mexico isolate.

氨基酸在测定的区域内未发现变异,与美洲发现的墨西哥株相比,亚洲株拟来自同祖先,基因和氨基酸水平的变化仅属基因漂移的范围。

The petrological study and studies in element and isotopic geochemistry indicate that the pluton belongs to high-potassium calc-alkaline I-type granite, whose magma came from basic basalt in the thicken crust bottom by partial melting, and are of syn-collisional features. The pluton provides a direct petrological evidence of the plate collision and amalgalation.

岩石学、元素和同位素地球化学研究表明,岩体属于高钾钙碱性Ⅰ型花岗岩,岩浆来源于加厚地壳底部基性玄武质岩石的部分熔融作用,属同碰撞型花岗岩,是板块碰撞拼合的直接岩浆岩证据。

This homogeneous genus is distinguished from Bothriochloa by the combination of an elongate inflorescence and few-spiculate racemes.

这同形的属按一拉长花序和很少细刺的总状花序的结合从Bothriochloa 区分。

On the basis of the works of our predecessors. I. try to make a thorough and systematic study on the Chinese Iris by means of pollen morphology、cytotaxonomy、esterases Isozyme and numerical taxonomy and combining the morpholoyical characteristics and plant geography. The experimental results are summarized as follow

基于上述原因,本文在前人工作的基础上,试图利用花粉学、细胞分类学、同工酶学及数量分类学等手段,并结合形态学特征及地理分布特点,对中国鸢尾属进行了较为系统的研究,获得以下几方面的结果

Based on the principle of polyphasic taxonomy, investigation of the phylogenetic relationships of Lachnum and the related genera by using physiological and biochemical characteristics, analysis of esterase isoenzyme, GC-MS analysis of volatile components from fermentation broth and sequence analysis of ITS rDNA was carried out.

2基于多相分类原则,运用生理生化特性、酯酶同工酶酶谱、发酵液挥发性成分GC-MS分析和ITS序列分析的方法,对粒毛盘菌属及其相关类群进行了研究。

Wire electrode based on the trajectory of the different forms of control, WEDM can be divided into three types: one is shaped by the imitation controlled cutting in line in advance and work to create the same shape by mold, when processing the workpiece at the same time rough and on the mold clamping in the machine tool table, in the process of cutting wire electrode tightly against the mold on the edge of the track for the mobile, thus cutting out and die on the same shape and precision to the workpiece; another One is the electro-optical tracking control, to carry out the cutting line, before the basis of certain parts to enlarge the proportion of drawings depicts an electro-optical tracking map-processing machines will be placed in design stage of electro-optical tracking, tracking platform Photoelectric first line of graphics has always been to follow the track of the Mexican campaign, and then through the use of electrical, mechanical linkage to control the machine tool table, together with the workpiece so相似形wire electrode relative movement, thus cutting out the same shape and design to the workpiece; again a digital control, the use of advanced automatic control of digital technology-driven machine tool in accordance with the pre-processing parameters according to the workpiece geometry pre-processing procedures for the preparation of a good CNC auto-complete processing, the production does not require appearance on board the need to map to enlarge map of the previous two form of control has a higher machining accuracy and a broad range of applications, both at home and abroad more than 95% have adopted WEDM NC.

根据对电极丝运动轨迹的控制形式不同,电火花线切割机床又可分为三种:一种是靠模仿形控制,其在进行线切割加工前,预先制造出与工件形状相同的靠模,加工时把工件毛坯和靠模同时装夹在机床工作台上,在切割过程中电极丝紧紧地贴着靠模边缘作轨迹移动,从而切割出与靠模形状和精度相同的工件来;另一种是光电跟踪控制,其在进行线切割加工前,先根据零件图样按一定放大比例描绘出一张光电跟踪图,加工时将图样置于机床的光电跟踪台上,跟踪台上的光电头始终追随墨线图形的轨迹运动,再借助于电气、机械的联动,控制机床工作台连同工件相对电极丝做相似形的运动,从而切割出与图样形状相同的工件来;再一种是数字程序控制,采用先进的数字化自动控制技术,驱动机床按照加工前根据工件几何形状参数预先编制好的数控加工程序自动完成加工,不需要制作靠模样板也无需绘制放大图,比前面两种控制形式具有更高的加工精度和广阔的应用范围,目前国内外95%以上的电火花线切割机床都已采用数控化。切割属电加工范畴,是由前苏联人发明的,我国是第一个用于工业生产的国家,当时由复但大学和苏州长风机械厂合作生产的这是最早的机型叫复旦型,我们国内在此基础上发展了快走丝系统。欧美和日本发展了慢走系统LS

If the score is still tied in the third shoot-off, the team with the closest-to-the-center arrow will win

仍同分,则以第三次加射最近靶心之1 箭属队获胜。

Hong Kong newspapers found that at least 24 apartments in the building were bought by shell companies registered in the British Virgin Islands, using the same law firm.

香港报纸发现,那栋楼里至少有24套公寓都是由在英属维京群岛注册的壳公司购买的,它们使用的律师事务所也是同一家。

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As she looked at Warrington's manly face, and dark, melancholy eyes, she had settled in her mind that he must have been the victim of an unhappy attachment.

每逢看到沃林顿那刚毅的脸,那乌黑、忧郁的眼睛,她便会相信,他一定作过不幸的爱情的受害者。

Maybe they'll disappear into a pothole.

也许他们将在壶穴里消失

But because of its youthful corporate culture—most people are hustled out of the door in their mid-40s—it had no one to send.

但是因为该公司年轻的企业文化——大多数员工在40来岁的时候都被请出公司——一时间没有好的人选。