从事...

Recently, we defined the uniruledness of symplectic manifolds and proved that symplectic uniruledness is invariant under symplectic birational

最近，我们给出了Uniruled辛流形的定义并证明了其在辛双有理变换下的不变性，为今后进一步从事辛双有理几何的研究打下了基础。

It is the author below in be engaged in building project project to supervise the work, by oneself experience and knowledge are accumulated, bisect includes a few view that administrative mode offers, offer reference of person of the same trade.

以下是笔者在从事建筑工程项目管理工作中，由自己经验和知识积累，对分包管理的模式提出的几点看法，供同行参考。

It's a part of life, it's fun to have sex, Mr Soeli said of the reasons for homosexuality or bisexuality among animals.

它是生活中的一部份，从事性爱活动是非常愉快的事情。

Which is involved in the manufacture and marketing of bitumen in China.

科氏中国主要在中国从事沥青生产和营销业务。

Which is involve d in the manufacture and marketing of bitumen in China.

科氏中国主要在中国从事沥青生产和营销业务。

Wily criminals are increasingly operating black-market phoning businesses based in parks and on street corners.

那些老谋深算的罪犯们愈来愈多地在公园或街角从事黑市电话的交易。

And Alan Lomax had some very compelling and really engaging stories to tell about actually painting himself up in blackface so that he could go into black communities, so that some of the whites wouldn't single him out and beat him up or whatever.

和Alan Lomax了一些非常引人注目的，真正从事故事告诉自己，其实画起来抹着，使他能够进入黑人社区，这样的白人将不是单一的他走出他打了一顿或一些什么。

Hugh Hunter, chief executive of Blackfriars Asset Management, an emerging market specialist within BNY Mellon Asset Management, says: Many emerging markets are a similar risk to those of developed markets.

BNY Mellon Asset Management 旗下专门从事新兴市场投资的Blackfriars资产管理公司首席执行官休亨特表示：许多新兴市场的风险与发达市场类似。

Blackland Advertisement , The full name being Shenzhen Blackland Advertisement design limited ,is an experienced design company, specializing in the brand vision conformity promotion, Packing design research

布猎克广告，全称深圳市布猎克广告有限公司，是一家专业从事品牌视觉形象整合推广、包装设计研究、互动界面设计开发、设计制作、设计咨询为服务的资深商业设计公司。

The aforesaid companies shall be allowed to undertake "blanket policy" and large-scale commercial insurance without geographical restrictions, to provide non-life insurance for overseas enterprises, and property insurance, related liability insurance and credit insurance for foreign-funded enterprises in China.

允许上述公司从事没有地域限制的"统括保单"和大型商业险保险业务，允许提供境外企业的非寿险业务、在华外商投资企业的财产险、与之相关的责任险和信用险服务。

I didn't watch TV last night, because it .

昨晚我没有看电视，因为电视机坏了。

Since this year, in a lot of villages of Beijing, TV of elevator liquid crystal was removed.

今年以来，在北京的很多小区里，电梯液晶电视被撤了下来。