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1·This letter is re the project plan.

这封信是关于项目计划的。youdao

2·He wrote an article re traveling.

他写了一篇关于旅游的文章。youdao

3·The meeting is re the new business.

会议是关于新业务的。youdao

4·The report is re the market trend.

报告是关于市场趋势的。youdao

5·The discussion is re environmental protection.

讨论是关于环保的。youdao

6·The lecture is re historical culture.

讲座是关于历史文化的。youdao

7·The email is re the event arrangement.

邮件是关于活动安排的。youdao

8·The conversation is re learning methods.

谈话是关于学习方法的。youdao

9·The research is re technological development.

研究是关于科技发展的。youdao

10·The document is re the product features.

文档是关于产品特性的。youdao

关于

1·Dear Mrs. Cox, Re: Homeowners Insurance. We note from our files that we have not yet received your renewal instructions.

亲爱的考克斯夫人，关于房主保险一事。我们从自己的资料中注意到我们还没有收到你续保的通知。《柯林斯英汉双解大词典》

2·Re: Sample Yardage - Yes, I would need 3 meters. I must make sure the bulk matches the a Please advise if this is possible.

关于码布：他要3米以确认大货布是否与核可布样一致。你要告诉他是否能提供。

铼

1·The properties and the characteristics of the W re thermocouple and the complex tube type armoured thermocouple are described in the paper.

简述了钨铼热电偶及复合管型铠装热电偶的性能及特点。

2·The Re Os isotope composition is obviously different from the rocks of the continental crust, but similar to the K T boundary sediment, and close to the meteorite.

铁锰结壳的铼-锇同位素组成明显有别于大陆地壳岩石，和K- T界线沉积物相似，接近陨石值。

3·This paper introduces technical properties of re and its occurrence.

介绍铼的技术性能特点、矿藏资源特点。

4·The properties and the characteristics of the W re thermocouple and the complex tube type armoured thermocouple are described in the paper.

本文简述了钨铼热电偶及复合管型铠装热电偶的性能及特点。

(1)in reabbr. 关于（in regard to）