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For the convenience of study,the optimized design method is discussed and the azimuthal displacement design is made by taking the double-build section most in use for example in this paper.

为讨论方便,文中以常用的双增型剖面为例,讨论其最优化的设计方法,并进行了方位漂移设计。

Starting from 3-benzoyl-5-formyl-indolizine, 3-benzoyl-5-(2'2'-diacetylethenyl)-indolizines and analogs were obtained by the 〓mediated aldol condensation or Wittig reaction. These compounds,promoted by low-valent titanium, gave highly functionlizedcycl[3,2,2]azine derivatives. The coupling reaction proceeded betweenthe carbonyl group and the carbon-carbon double bond, a rare example inMcMurry reaction.

我们以3-苯甲酰基-5-甲酰基中氮茚为原料,通过三碘化钐促进的aldol反应和Wittig反应制备了3-羰基-5-羰基乙烯基中氮茚,随后经低价钛还原偶联,没有生成正常的分子内羰基-羰基偶联产物,而是得到反常的羰基与α,β-不饱羰基的双键偶联产物,较高收率地得到了含多官能团的CycI[3,2,2]azine衍生物。

Azole:a class of organic compounds having a five-membered heterocyclic ring with two double bonds.

氮杂茂:一种由五种杂环元素,两组粘合剂组成的有机化合物。

With a double baby jogging stroller you can simply take the kids with you.

与双重婴儿推车慢跑,您可以简单地采取孩子与您联系。

Many people who have twins decide to purchase this type of double baby jogging stroller.

很多人有双胞胎,谁决定购买这种类型的双慢跑婴儿推车。

A double baby jogging stroller with a pouch in the back is a great choice.

双婴儿推车慢跑与邮袋在后面的是一种伟大的选择。

If yours is one of those lucky families whose numbers have increased by two instead of just one: a double baby stroller will be perfect for you.

如果您是其中一人幸运的家庭,他们的人数增加了两个,而非只是一:双重婴儿推车,将完美的你。

If this is a consideration for you, a double baby jogging stroller with a basket underneath that can accommodate these things will work well.

如果这是一个考虑你,双重婴儿推车慢跑与一篮子底下,可以容纳这些东西会工作。

Jane and Judy ran back to their bench two-double with laughter.

珍和朱蒂跑回他们的长椅,笑得直不起腰来。

I nailed my double back flip...

我把我的两次后空翻搞砸了。。

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相关中文对照歌词
Double Standards
Double Cup
Double Day
Double Or Nothing
Double Agent
Double Heart
On The Double
Double Entendre
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推荐网络例句

It has been put forward that there exists single Ball point and double Ball points on the symmetrical connecting-rod curves of equilateral mechanisms.

从鲍尔点的形成原理出发,分析对称连杆曲线上鲍尔点的产生条件,提出等边机构的对称连杆曲线上有单鲍尔点和双鲍尔点。

The factory affiliated to the Group primarily manufactures multiple-purpose pincers, baking kits, knives, scissors, kitchenware, gardening tools and beauty care kits as well as other hardware tools, the annual production value of which reaches US$ 30 million dollars.

集团所属工厂主要生产多用钳、烤具、刀具、剪刀、厨具、花园工具、美容套等五金产品,年生产总值3000万美元,产品价廉物美、选料上乘、质量保证,深受国内外客户的青睐

The eˉtiology of hemospermia is complicate,but almost of hemospermia are benign.

血精的原因很,以良性病变为主。