It is a well known fact that all Linux based system works with services.

所有的Linux操作系统都是基于服务是人所共知的事实了。

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It is a well known fact that well documented programs are easier to maintain, and many organizations find this highly desirable.

文档编制良好的程序更易于维护，这是众所周知的事实，而且许多组织都非常想这样做。

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It is a well-known fact that caffeine is a stimulant.

咖啡因是兴奋剂，这是人所共知的事实。

《牛津词典》

It's a well known fact that a picture is worth a thousand words and a special event in Belfast is about to reinforce that age old adage.

BBC: Artistic bombs..Irish history in cartoon form

It is a well-known fact that vines grow better on a slope: could there be a connection?

NEWYORKER: Bear Meat

"In the Magdalene laundry, it was a well-known fact that once you went in there you never came out, " one woman told the group.

CNN: STORY HIGHLIGHTS