This paper introduction the Grey Model and its applied. Its feasibility be testified by some examples. So, it is a new way to evaluated the university benefit.

本文着重介绍灰色系统模型及其在高校办学效益中的应用，并进行实例验证，以探索一条新的办学效益评估预测方法。

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In the paper introduction, introduced simply raises the middle-school student science inquisition ability in the middle school physics teaching the time background and the practical significance.

在论文的引言中，简单介绍了在中学物理教学中培养中学生科学探究能力的时代背景和现实意义。

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Every paper should have an introduction and conclusion.

每篇文章都应该有导言和结论。

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By the end of next year, I would like to see the introduction of gold-linked paper currencies.

FORBES: One Path To A Global Gold Standard

The meeting revealed that electronic voting would continue - following its successful introduction - but that alternative paper ballots would also remain for the immediate future.

BBC: Rule change opens up Oscar voting

The elections saw the introduction of a new design of ballot paper for the parliament vote and a new voting system for the council seats.

BBC: Ballot papers were scanned by vote-counting machines