Looking at a number of sources gives you a good knowledge base, but students only have a limited amount of time to work on each paper.

阅读大量的文献可以打下坚实的知识基础，但是学生们完成每篇论文的时间非常有限。

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Because many palaeontologists base their work on the shape of fossils alone, their methods of conservation are not designed to preserve DNA.

由于许多古生物学家的工作仅基于化石的形状，因此其保存方法并非旨在保存 DNA。

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Now, for a customer base, the most obvious example would be a large office building since the employees could theoretically go shopping after work or during their lunch hour, right?

那么，对于客户来讲，最明显的例子就是大型办公楼，因为理论上员工可以在下班后或午餐时间去购物，对吧？

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"If you clean less, if the instruments are old, if there are too few people doing too much work -- this could be the base of the infection, " said health director Stefano Cencetti.

CNN: Mysterious infection strikes babies at Rome hospital

The military vote might even make a difference in Ohio (18 votes), not usually considered to be a state with major defense presence, because the thousands of military and civilian personnel who work at Wright-Patterson Air Force Base near Dayton could decide the outcome of a tight statewide race.

FORBES: The Florida Effect: How Military Votes Could Hand Romney The White House

The plan is to first launch a service craft -- replete with robotic arms and enough processing horsepower to work independently if needed -- followed by the tiny base-unit skeleton satlets.

ENGADGET: Pentagon starts Phoenix trial to harvest defunct satellites, MacGyver new ones from orbit