查询词典 at present

The optimum reaction conditions were: at present of acetic anhydride, a stoichiometric quantity of nitric acid, at room temperature for 40 minutes. Nitration of chlorobenzene gave a,50% yield of mononitro compounds, and an ortho-para isomer ratio 0.20 in product distribution of chlorobenzene mononitration.

结果表明：硅钨酸催化性能较好，催化剂载体以纳米二氧化硅最好，反应条件中醋酸酐用量是主要影响因素；SiW_(12)O_(40)~(4-)／纳米SiO_2催化剂具有强对位选择性：在醋酸酐存在下，氯苯与等当量的硝酸室温下反应40分钟，氯苯一硝化产物中邻／对硝基氯苯异构体的质量比达0.2，产率可达50％。

At the same time, the existing securities investments double taxation, as well as at present differentiated taxation range feasibility study of neumatic, winehouses analyses securities tax problems, has proposed reform direction, so as to actually implement the tax system of the principle of fairness.

同时，对现行证券投资所得重复征税，以及目前差异化的征税范围等方面进行了可行性研讨，深刻地剖析了我国目前证券税制存在的问题，提出了改革方向，从而真正实现税收制度的公平原则。

Wang Dequan: This nonofficeholding it is clear to have two levels must be divided, the first, yang Zhiyuan identity is very complex, he is the author of this enterprise, he is CEO at present, he is CEO on administrative layer, at the same time he is trustee.

王德全：这个下台有两个层面一定要分清楚，第一，杨致远身份是很复杂的，他是这个企业的创始人，他目前是CEO，管理层上他是CEO，同时他是董事。

City teachs appoint student department section chief barks inhaling duckweed expresses, the undergraduate that reads outerly at present is the biggest the problem is interview inconvenience, obtain employment of Shanghai college graduate coachs the center is developing system of video of the interview on the net, such although read outerly, also can mix the undergraduate that reads in Shanghai is same at any time interview.

市教委学生处处长汪歙萍表示，目前在外地就读的大学生最大问题是面试不方便，上海市高校毕业生就业指导中心正在开发网上面试视频系统，这样即使在外地读书，也能和在上海就读的大学生一样随时面试。

As a result of physiological, psychological and the social various reason, at present, in our country,at least 1/3 above of old- aged people usually appear the psychological question, such as the feeling of being alone, the despondent mood, the inferiority complex, the oversuspicious point of view, the authority of thoughts and the feeling of life satisfaction reduced and so on. This not only seriously affects senior citizen's life quality, but also bring the very tremendous negative influence to construct the socialism harmonious society.

由于生理、心理及社会各方面的原因，目前我国至少有三分之一以上老年人，常会出现诸如孤独感、抑郁情绪、自卑心理、多疑心态、权威思想及生活满意感降低等心理问题；这不但严重影响老年人的生命质量，而且对构建社会主义和谐社会带来很大的负面影响。

At present, there are at least more than 40 colleges and universities set up the mapping project of the professional photography course, which greatly expanded the photogrammetric the requisite human resources cultivation.

目前，全国至少有40多所大专院校的测绘工程专业开设摄影测量课程，这极大地拓宽了摄影测量所需人才的培养渠道。

At present, the phenomenon of the trustworthiness imperfection at university campus is very outstanding. Examination fraud, plagiarization of papers, concoction of the job application data, no return of student loan according to the date, and graduates' breaking contract occur usually.

当前发生在大学校园的诚信缺失现象相当突出，考试作弊、剽窃论文、求职资料造假，不按期归还助学货款、毕业生违约等现象时有发生。

Polycarboxylic water-reducing agent is a new kind of high-efficient water-reducing agent,it is also a focus studied both at home and abroad at present.

聚羧酸高性能减水剂是一种新型的高效的减水剂，亦是目前国内外研究的热点。

At present, the technologies of electric vehicles are almost at the same level in all countries in the world. If our country thinks much of the ponderance of the problem and concentrates the limited resources to develop the technologies of electric vehicles, the industry of electric vehicles of our country will under go leaping developments.

目前，国内电动汽车研究开发与国外的差距还不算大，如果我们充分认识到这一问题的严重性和紧迫性，集中有限资源抢占新一代电动汽车研究和开发的制高点，就可以促进我国汽车工业实现跨越式发展。

At present, the Chinese newspapers are still the mouthpiece of the political party, controlled by the political party and is not an independent Institution. At the same time,the Chinese newspapers depend on advertising and emission income, so get the influence of the advertisers. So the identity of the Chinese readers is both the objects of propagand and consumers. The Idea of Public Journalism let us be aware that we should look on the readers as citizens and the newspapers should become the public sphere to communicate the citizens' information and opinion.

目前中国的报纸仍是政党的喉舌，受到政党的控制，不是独立的机构，同时作为&事业单位、企业化经营&的中国报业依靠广告和发行收入，在逐渐市场化，所以中国报纸的读者的身份是被宣传对象和消费者，公共新闻业的理念让我们意识到我们应该把读者看作是公民，报纸应该成为公民交流信息和意见的公共领域，成为公众的公器。

This one mode pays close attention to network credence foundation of the businessman very much.

这一模式非常关注商人的网络信用基础。

Cell morphology of bacterial ghost of Pasteurella multocida was observed by scanning electron microscopy and inactivation ratio was estimated by CFU analysi.

扫描电镜观察多杀性巴氏杆菌细菌幽灵和菌落形成单位评价遗传灭活率。