|
In present paper, the discovery of vitamin D and their syntheses by using photochemical reaction were introduced and reviewed.
|
|
|
摘要本文报道了维生素D的发现以及它们的光化学合成与进展。 |
|
In present society which is open and competitive, Facing the competition and the increasing employment pressure, the graduates who just stepped into the job market show a more and more serious psychological problem.
|
|
|
摘要当今社会是一个开放竞争的社会，面对竞争和日益增大的就业压力，初涉职场的毕业生表现出的心态问题越来越突出。 |
|
In present the sensitivity mechanism of formation are applied gradually from experiment to oil field and a set systemic experiment investigation methods about sensitivity formation are formed, but the successful development of the sensitivity reservoirs d
|
|
|
目前国内外对储层敏感性机理研究逐渐从试验走向实践，并形成了一套系统的储层敏感性试验研究方法，但敏感性油藏的开发始终未取得较大的突破，其重要原因就是粘土矿物伤害储层。 |
|
In present work, mirror turning is carried out using man-made diamond cutting tool (PCD) and ordinary precision lathe, showing important practical value and economical benefit.
|
|
|
摘要在普通精密机床上用人造多晶金刚石(PCD)刀具加工出镜面，具有重要的实用价值和经济意义。 |
|
In present-day Chinese countryside, the difference and inequality between the two sexes in both free time and spare-time life has become more than conspicuous, the difference lying not only in the aggregate amount of tree time, but also, more importantly,
|
|
|
目前在农村，闲暇时间与闲暇生活的性别差异和不平等现象十分明显，其差异不仅是闲暇时间总量的差异，更重要的是闲暇生活质量与闲暇机会、闲暇心态的差异。 |
|
In presenting activities, he was tendentious to lay more stress on criticisms but less stress on novels or poems.
|
|
|
当时他企图以文艺运动落实现代启蒙的理想，在活动表现上略有重评介轻创作的倾向。 |
|
In presenting documents to a court or administrative agency he or she must conform to the required document style.
|
|
|
在提交文件给法庭或行政机构时，他或她必须遵照要求的文件格式。 |
|
In presenting his plan Wednesday, Senator Frist said he disagreed with a plan put forth by the Senate Judiciary Committee earlier this week that would create a guest worker program.
|
|
|
弗里斯特星期三在介绍这项议案时说，他不同意参议院司法委员会本星期早些时候通过的建议设立客工计划的议案。 |
|
In pressurized modern lives, demands to be a fulfilled individual, and a good partner and a good worker, take no account of being a good parent.
|
|
|
压力重重（快节奏）的现代化生活要求我们是一个充实的个体，既要是一个好合伙人又要是一个好雇员，那就无法作一个好父母。 |
|
In primary distribution, we should pay more attention to efficiency, bringing the market forces into play and encouraging part of the people to become rich first through honest labor and lawful operations.
|
|
|
初次分配注重效率，发挥市场的作用，鼓励一部分人通过诚实劳动、合法经营先富起来。 |
|
In primitive protoctisis, as in animals, the cell membrane ingrows under the control of a ring of actin microfilaments, and a furrow constricts the cell equator until it pinches the cell in two.
|
|
|
在动物细胞中，胞质由肌动蛋白控制，在赤道面处向下凹沟，形成环状缢缩，最后缢缩断裂，细胞一分为二。 |
