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At present, a good part of application program base on account and passwords for authentication. Each entering a system needs to import a pair of account and password. Now there are more and more inner enterprise application systems, if employees want to visit resources in these application systems, they have to be logged and certificated repeatedly, and it will greatly reduce the efficiency; In addition, each application system requires users to use strong countersign, and it will be a heavy burden on users to change and memory their countersigns, so it will cause certain information security risks to enterprises and employees.

当前，大部分应用程序基于账号和密码进行认证，每进入一个系统输入一次账号和密码，企业内部应用系统越来越多，员工要访问这些应用系统中的资源，必须经过多次登录与认证，大大降低了工作效率；另外，各应用系统要求用户使用强度较大的口令，更改和记忆口令成了用户的极大负担，为使用方便，很多用户将密码书写在电脑旁，这对企业和用户形成一定的信息安全风险。

Basing on the current developing situation of smoke decontaminating and coal gas reclaiming system in the world, this article is about the building of PLC control system of Oxygen Gas Recovery System base on ControlLogix.

本文在总结当前国内外转炉烟气净化及煤气回收系统发展现状的基础上，结合德钢50t转炉的实际特点，建立了基于ControlLogix的&OG&法除尘及煤气回收PLC自动控制系统。

Firstly, this paper analyzes the merit and the demerit of the process-oriented development methodology and the object-oriented development methodology. After comparing the development methodology base on MDA to the others, it is pointed out that the development methodology based on MDA has great advantage over others because it can address those mentioned problems which have been fazing software developers in long terms.

本文首先分析了面向过程方法和面向对象方法在开发模式上各自的优点和局限性，并将基于 MDA 的开发模式同前两种开发模式进行对比，针对这些局限性阐述了基于 MDA 的开发模式相对于这两种开发方法的优势，指出 MDA 可以很好的解决不同平台重复建模、不同平台无法互操作等一系列问题。

We can target it based on different geographies, we can target base on different kinds of people.

我们不仅可以按不同地理位置定位，还可以按不同类别的人定位。

In order to utilize lignin effectively, base on the situation in China, the study was carried on systematically, centering around the topic of two step sulfomethylation of the soda lignin of wheat straw (the first step is methylolation, the second is sulfonation) and its application. The main purpose is to develop a heterogeneous catalytic system which not only catalyzes but also homogenizes the lignin molecule in the reaction.

为真正高效利用碱木素，木论文根据我国实情，紧紧围绕着麦草碱木素两步磺甲基化（第一步为羟甲基化，第二步为磺化）及其应用这一主题，以开发出在反应过程中既可催化反应又能使木素分子均一化的多相催化体系为主要目标，系统地展开了研究。

This thesis collection depends on four largest societies including Aviation, Ordnance, Shipbuilding and Aerospace, faces to defense-related industries and individuals and covered 80% of administrative levels of defense-related industries in the whole country. The topic of thesis should base on top development planning, key technology, standardization system, industry database and related component technology. Thesis will be filtrated by authoritative appraisers, and the excellent thesis will be commended to be intercommunicated in the forum.(Total number of collection is about 500). The characters of this thesis collection are high level and innovation. The entire thesis collected is never published in the exoteric publication or academic meeting in the whole country, and never include detailed discussion about milestones such as top development planning etc.

本次活动依托四大军工学会面向全国国防工业领域各有关单位及个人征集论文，论文征集面覆盖80%以上的国防工业单位的高层，就顶层规划、关键技术、标准化体系、行业数据库，以及相关单元技术等主题进行全国的优秀论文征集，并经过大会权威评审团的筛选（论文征集量约为500篇），最终选出数篇精品论文推荐进行大会交流，此次论文征集的两大特点就是&高&，&新&，所有参评论文皆为未在公开出版物或全国性学术会议上发表的文章，并就顶层规划等重大问题予以详细讨论。

The design of ecological architecture materializes at every part of building, and it is holistic and dynamic. What the thesis related to is just a corner of iceberg. I hope it can be perfect on the base on study and practice for the future.

它是一个整体的设计方法与动态的过程，本文所涉及的仅仅是该研究领域的冰山一角，希望在今后的研究和实践过程中进一步深入和完善。

In the third part, the simulation research on asynchronous motor DTC system base on six voltage space vectors and twelve voltage space vectors are realized in MATLAB/Simulink. Through comparisons of the two simulation results, the method of minifying torque ripple is obtained.

第三部分，运用MATLAB/SIMULINK进行了基于六矢量和十二矢量的两种异步电动机直接转矩控制系统的仿真研究，搭建了系统的仿真模型，并对仿真结果进行了对比，得出减小直接转矩控制转矩脉动的方法。

Universities should base on their own historical and present conditions to orientates and insist on a specific kind of functions, and reform with change of time under this condition.

大学应根据自身的历史和现实条件，形成并坚持特定的功能定位，在这一前提下，因应时变，改革创新。

As the Collaboration Base on HIV/AIDS, Emerging and Reemerging Infectious Diseases of National Center for International Research, China CDC will be gradually consolidated into one of world's most influential centers on vaccine development of communicable disease globally and will make greater contributions to prevention and control of severe infectious diseases in China.

中国疾控中心成为首批科技部和国家外专局联合指定的&国家级国际联合研究中心&，作为&国家级国际联合研究中心艾滋病和新发再发传染病合作基地&，通过国际合作，逐步将中国疾控中心建设成为在国际上具有重要影响的传染病疫苗研发中心，为我国重大传染病的预防与控制做出重要贡献。

Singer Leona Lewis and former Led Zeppelin guitarist Jimmy Page emerged as the bus transformed into a grass-covered carnival float, and the pair combined for a rendition of "Whole Lotta Love".

歌手leona刘易斯和前率领的飞艇的吉他手吉米页出现巴士转化为基层所涵盖的嘉年华花车，和一双合并为一移交&整个lotta爱&。

This is Kate, and that's Erin.

这是凯特，那个是爱朗。