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Network security has been becoming a take delight in talking about topic since it came out.

摘 要:自从有了网络以来,网络安全就成为了一个被人津津乐道的话题,面对网络上众多的病毒泛滥和黑客攻击,如何有效地保护好自己的信息不被窃取一直是网络安全人事在研究的重点。

As well, it should be noted that, in the companies with greater growth opportunities, the managerial ownership will influence the cash holdings more significantly. At last, the policy of cash dividend has a positive effect on the cash holdings. Utile now, we haven't found out any theoretical support on the phenomenon yet.

论文针对以上实证研究的结果,提出了如何改进公司的治理结构,包括对股权结构的改善和改进管理层激励和约束机制的建议,以更好地制定现金持有政策,更有效地利用现金这一流动性最强、盈利能力最弱的特殊资产。

The new model, based on the theory of system and cha os, has shown such advantages as integrity, visuality, dynamic and fuzzification , which has interpreted its features and changes, and has compensated the defect s of previous researches.

以系统 理论和混沌理论为理论依据建立的皮球理论模型,表现出整体性、直观性、动态性和混沌性的优点,很好地诠释了竞技能力的结构特征和发展变化,弥补了以往研究的缺陷。

Develop throttle using in wellbore and compound equipment on ground and constitute technique guide line on the base of theoretic research. Applying test had been carry out in 12 wells of Chuanyu gas field and 5 wells of Changqing gas field. The test results prove that throttle in wellbore have the advantages of reasonable design, easy installation and fishing. So we can get the conclusion that throttling in wellborn has great applying foreground.

在理论研究的基础上研制了井下节流器和地面配套装置、制定了节流工具的技术指标、适用范围,在川渝气田的12口井和长庆气田5口井上进行了应用试验,证明井下节流器工具设计合理,操作容易,座放和打捞都很可靠,井下节流工艺技术具有很好的应用前景和推广价值。

To better understand this, let's take our example as the case study: in our process, a client first submits the CarId of the car she wants to rent and then her UserId.

为了更好地理解这一点,让我们以此作为案例研究的例子:在我们的过程中,客户端首先提交汽车的,她想租,然后她的用户ID CarId。

How the conformity resources, does the solution modern city allocation development question, enable the allocation industry to become well promotes the urban development the drainless power, is the urban allocation industry research main topic.

如何更好地整合资源,解决现代城市配送发展问题,使得配送业成为推动城市发展的不竭动力,是城市配送业研究的主要话题。摘要:近年来,配送业的发展与城市规划之间的矛盾已成为城市发展的主要问题。

Those biodegradable materials finally form into CO2 and H2O via culture of tricarboxylic acid cycle, which can be excreted from lung, kidney, and skin. Hydroxyacetic acid is a metabolic product of amino acids. Therefore, velocity of bioldegradable materials can be controlled in vivo. The recent contraception focuses on discover a sustained release system of biodegradable materials.

生物可降解材料包括聚乳酸、聚ε-己内酯、乳酸-羟基乙酸共聚物等,这些材料有很好的生物相容性,植入体内后可经生物降解成乳酸单体,经三羧酸循环后最终成为CO2和H2O,经肺、肾、皮肤排泄,羟基乙酸也是机体氨基酸代谢产物,而且生物可将解材料在体内降解速度是可控的,用生物降解聚合物作为药物载体的缓释避孕系统是目前材料学以及避孕节育研究的一大重点。

Since long, because of different requirements when working ,belt running leanly in movement ,the carrying idler's short service life, on-site maintenance big work load and so on many breakdown reasons and crucial understanding insufficiency, have made the carrying idler's function research and manufacture not be broken through, These make the carrying idlers to transport the material in inexpensive economic cost expense not to be able to obtain manifests fully, which is one that hasn't good solution of comprehensive technical difficult problem.

长期以来,由于对皮带托滚在输送机上所处不同工况性能要求,运行中存在皮带易跑偏,易损坏,托滚使用寿命短,现场维护工作量大等诸多故障原因及关键性认识不足,因而造成了对皮带托辊的功能研究和制造无重大技术突破,使皮带输送物料的最佳效果的低廉的经济成本费用未能得到充分体现,是一项没有得到较好解决的综合性技术难题。

In this study we report that analysis of ESTs from the digestive system of Limnoria quadripunctata reveals a transcriptome dominated by glycosyl hydrolase genes.

参与研究的西蒙·克拉格博士说,在蛀木水虱体内发生的这种化学反应,可为生物能源生产技术的研发提供很好的线索。

The results illustrate the facts that:(1) The best catalyst among them is manganous sulfate,(2) compound catalyst consisting of a mixture of metal sulfates in proper proportion is better than any one of them used alone.

本文研究的第二种脱硫新工艺是采用MnSO〓等催化剂使SO〓经过液相催化成SO〓进而形成稀硫酸,实验发现MnSO〓相对于ZnSO〓和〓有较好的催化作用,三者按一定比例组成的复合催化剂的催化能力优于单组分的催化能力。

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推荐网络例句

Lugalbanda was a god and shepherd king of Uruk where he was worshipped for over a thousand years.

Lugalbanda 是神和被崇拜了一千年多 Uruk古埃及喜克索王朝国王。

I am coming just now,' and went on perfuming himself with Hunut, then he came and sat.

我来只是现在,'歼灭战perfuming自己与胡努特,那麼,他来到和SAT 。

The shamrock is the symbol of Ireland and of St.

三叶草是爱尔兰和圣特里克节的标志同时它的寓意是带来幸运。3片心形叶子围绕着一根断茎,深绿色。