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It is described the research progresses of SSR markers in the purity of crop seed.

本文介绍了SSR分子标记技术的基本原理和特点，简要叙述了SSR标记技术在农作物种子纯度鉴定上的研究进展，并就其在杂交种纯度方面的应用潜力进行了探讨。

In this paper, ssr molecular marker technology, the basic principles and characteristics are summarized.it is described the research progresses of ssr markers in the purity of crop seed. and, it is discussed the potential applications in the purity of hybrid.

本文介绍了ssr分子标记技术的基本原理和特点，简要叙述了ssr标记技术在农作物种子纯度鉴定上的研究进展，并就其在杂交种纯度方面的应用潜力进行了探讨。

In this paper, ssr molecular marker technology, the basic principles and characteristics are summarized.it is described the research progresses of ssr markers in the purity of crop seed. and, it is discussed the potential applications in the purity of hybrid.

本文介绍了ssr分子标记技术的基本原理和特点，简要叙述了ssr标记技术在农作物种子纯度鉴定上的研究进展，并就其在杂交种纯度方面的应用潜力进行了探讨。365论文下载网_365txt小说阅读网Y$D y2{d

Through the analysis of different cross section flow field in cylinder of two-valve and four-valve diesel engine, the following conclusion can be obtained: The formation of intake swirl of two-valve diesel engine mainly is effected by an intense air flow ring zone near the radius from valve axis to cylinder axis, as the flow progresses down through the cylinder, the ring zone air flow expends to both side and finally forms an unified rigid rotating swirl motion.

2号缸盖的螺旋进气道产生的绕自身气门轴线的动量矩比1号缸盖的大，且切向气道的径向速度在前峰面上的数值比1号缸盖的速度数值大很多，因此，两进气道组合后的动量矩损失也大，所以虽然2号缸盖的两个进气道单独的涡流比都高于1号缸盖的两个进气道，但组合后的合成涡流比却是基本相同的。

Dancing Dobermann disease progresses over a few years to rear leg weakness and muscle atrophy.

该疾病发展数年后，后肢出现虚弱无力和肌肉萎缩。

In the present paper,development status and latest progresses on high efficiency abrasive machining technologies relate to high speed and super-high speed grinding,quick point-grinding,high efficiency deep-cut ...

研究了高效磨削砂轮、主轴及其轴承技术、高效率磨床、磨削液供给技术、砂轮、工件安装定位及安全防护技术以及磨削状态检测及数控技术等实现高效率磨粒加工的关键技术，分析了发展高效率磨粒加工的重要性。

News management system management system is constitutes the enterprise website an important constituent, it is shouldering the double-decked function, on the one hand may use for the dynamic issue related new product or the new development project, on the other hand may promptly to the customer announce the enterprise manages the achievement, the technology and the research and development progresses, specially recommends or the preferential benefit engineering project, the product and the service, thus the attraction customer, expands the customer group.

其中新闻管理系统是构成企业网站的一个重要组成部分，它担负着双层作用，一方面可以用来动态发布有关新产品或新开发项目，另一方面又可以及时向顾客公告企业经营业绩、技术与研发进展、特别推荐或优惠的工程项目、产品和服务，从而吸引顾客，扩大顾客群。

There is no book of rules for this game. One progresses through everlasting experiment on the basis of ever-widening experience.

没有哪本书讲解了这种游戏的规则，拓宽经验的基础就是去进行无休止的实践。

One progresses through everlasting experiment on the basis of ever-widening experience.

这是依靠不断积累的经验，通过长时间反复试验所取得的一个进步。

One progresses through everlasting experiment on the basis of ever-widening experience.

通过持续训练，这种训练要以不断丰富经验为基础，一个人才能进步。

He and Nina moved to California and lived at 2005 Ivar Street, Apt.

他和Nina搬到加州，并在2005年伊瓦尔街，公寓生活。

Droperidol （ potently inhibits transfected HERGchannels and this is the probable mechanism for QT prolongation.

氟哌利多有效地抑制了转染的 HERG 钾通道，可能是 QT 间期延长的机制。