The study about the system with fast on-off valves is paid attention to from the 80's.

关于高速开关阀系统的研究进入80年代后受到人们的重视。

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The study about the system of board of directors in public universities in China has certain social backgrounds and actual requirements.

我国公立高校董事会制度研究的兴起有其特定的社会背景和现实要求。

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Now, for the first time, one study offers tantalising evidence that it may be possible to build such a system to warn of some impending large quakes about an hour before they strike.

现在，有一项研究首次提供振奋人心的证据，证明有望建立一个在一些大地震发生前一个小时左右发出警告的系统。

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Steven Russell, director of Massachusetts General Hospital's Diabetes Unit and co-author of the study, the next step is for researchers to develop a portable system about the size of a cellular telephone.

VOA: standard.2010.04.15

Like the Russian formalists--and in a way like the New Critics -talking about their "academic" colleagues, Saussure is vexed by the messiness and lack of system in the study of linguistics.

这一点和形式主义者，新批评论者,这些学院派的人们很相像，索绪尔对语言学的杂乱,和无章感到恼火。

耶鲁公开课 - 文学理论导论课程节选

The Justice Department has disputed this study, but its own caginess about its classification system has not helped its cause.

ECONOMIST: A mixed inheritance for America's next attorney-general

But it also cited a Home Office study from 2010 which showed about one in five international students who came to the UK in 2004 were still in the immigration system five years later.

BBC: Foreign students to stay in migration figures