Chapter I is a review that analyzes the present situations of the internal and external study on Information Brokering.

论文第一章为文献述评，主要分析了国内外信息经纪业研究的现状与不足。

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An overview of internal and external study is made on high temperature purification of gaseous contaminants including sulfur, nitrogen and chlorine pollutants, alkali metal, heavy metal and tar vapor.

综述了国内外硫、氮、氯的污染物和碱金属、重金属、焦油蒸气等气体污染物的高温净化研究概况，提出了存在的技术问题。

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At the same time, Chinese literary theories were marching from external study to inner one, devoting great endeavor on studying the problems of literature it self's theory and laws.

中国文论则由外部研究走向内部研究， 大力探讨文论自身的问题、规律等等。

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An external benchmark study suggested targets for each of the functions in the company, for IT this was 1.5% of revenue.

FORBES: There's A Smarter Way To Tighten An IT Budget

The premise is that consistently successful companies start with an external market orientation and vigilantly study customer trends in order to design their strategy.

FORBES: The Value Of An 'Outside-In' Strategy

James Westhead, director of external relations at education charity TeachFirst, said the study was very significant international evidence that disadvantage need not equal destiny.

BBC: UK pupils 'among least likely to overcome tough start'