二中心的

Based on the complexes Nd3 2H2O, the crystal of [Nd32] (HMPA = hexamethylphosphoric triamide) has been prepared and its structure has been unequivocally established by an X-ray crystallographic study.

结果显示稀土元素Nd位于配合物分子的中心，分别与六个硫原子和两个氧原子结合，组成了具有扭曲十二面体构型的配合物。

The group's founder, Jill Youse, 29, is discussing a plan to ship milk to an infant feeding center in Haiti.

二十九岁的组织创始人吉尔尤斯正在计划一项新计划，即海运牛奶给海地的一家婴儿喂养中心。

The catalyst combined with MAO or Al(i-Bu_3, AlEt_3 to form copolymerization active species, which was responsible for copolymerizing the ethylene andα-olefins to prepare branched polyethylene.

二酮锆/MAO Al(i-Bu_3、AlEt_3可以形成乙烯与α-烯烃的共聚活性中心，催化乙烯与特定链长的α-烯烃共聚得到了支化聚乙烯。

Either of two quadric surfaces generated by rotating a hyperbola about either of its main axes and having a finite center with certain plane sections that are hyperbolas and others that are ellipses or circles.

双曲面两个二次曲面的任何一个，通过使一个双曲线绕其任何一根中轴旋转而成，而且旋转时有一个有一定双曲线平面切面的中心，而其他切面是椭圆或圆周

Either of two quadric surfaces generated by rotating a hyperbola about either of its main ax es and having a finite center with certain plane sections that are hyperbolas and others that are ellipses or circles.

双曲面两个二次曲面的任何一个，通过使一个双曲线绕其任何一根中轴旋转而成，而且旋转时有一个有一定双曲线平面切面的中心，而其他切面是椭圆或圆周

In the northern agricultural fair held this year, the county Animal Husbandry Bureau of Industry Center for production of grass clover was rated the second compression famous farm in Hebei Province.

在今年召开的北方农产品交易会上，县畜牧局草业中心生产的二次压缩苜蓿草被评为河北省名优农产品。

In order to better innovation and development company in 2000 and the introduction of the advanced level in the 21st century with the Italian low-temperature drying kiln, paint auto paint line, from Germany introduced a computer-controlled machining centers BP-12, a double-milling machine, and so on A large number of advanced foreign production equipment, existing processing, testing and laboratory equipment more than 800 Taiwan.

为更好地创新与发展，公司在2000年又引进了具有二十一世纪先进水平的意大利低温干燥窑、油漆自动喷漆线，从德国引进了了电脑自控加工中心 BP－12、双端铣床等一大批国外先进的生产设备，现有各种加工、检测及实验设备800余台。

The company has great management team experienced advanced domestics logistics and established operation centers in 26 cities in China .

拥有先进的国内物流管理经验和优秀的管理团队，在国内二十六个城市设置运作中心。

Shen Zhen Sanland Elelctronics Co Ltd was established in 1999. It is located in the Overseas Chinese High-Tech Venture, 2nd Park, Center of Long Gang District, Shen Zhen, China. It covers area of 2500 square meters in which purification plant covers 1000 square meters and owns 160 employees. Moreover, it has advanced equipments for production, assembly and testing which are imported from Europe, Japan and Korea etc.

深圳市万和电子有限公司成立于1999年，公司座落于广东省深圳市龙岗区中心城留学生创业园二园，总占地面积2500平方米，其中净化车间1000平方米，拥有员工160人，并且拥有从欧洲、日本和韩国等地引进的最先进的生产、组装和测试设备。

Deal with day 500 tons of garbage power generation plant in the South China Sea environmental protection and disposal of medical waste treatment day 25 tons of medical waste incineration Foshan harmless treatment center being considered by my company's building.

日处理生活垃圾500吨的南海环保发电二厂和日处理医疗垃圾25吨的佛山医疗垃圾焚烧无害化处理中心正由我公司组织建设中。

We have no common name for a mime of Sophron or Xenarchus and a Socratic Conversation; and we should still be without one even if the imitation in the two instances were in trimeters or elegiacs or some other kind of verse--though it is the way with people to tack on 'poet' to the name of a metre, and talk of elegiac-poets and epic-poets, thinking that they call them poets not by reason of the imitative nature of their work, but indiscriminately by reason of the metre they write in.

索夫农 、森那库斯和苏格拉底式的对话采用的模仿没有一个公共的名称；三音步诗、挽歌体或其他类型的诗的模仿也没有——人们把&诗人&这一名词和格律名称结合到一起，称之为挽歌体诗人或者史诗诗人，他们被称为诗人，似乎只是因为遵守格律写作，而非他们作品的模仿本质。

The relationship between communicative competence and grammar teaching should be that of the ends and the means.

交际能力和语法的关系应该是目标与途径的关系。