To study and put forward regulations and rules for normalizing sector import and export behavior and conducting of classification management of enterprises and organize implementation accordingly.

研究提出规范企业进出口行为和对企业实施分类管理的规章制度并组织实施。

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Study of the ceramic frits classification.

研究陶瓷熔块分类。

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This paper discussed the current status of the study on classification, modeling and prediction of forest fuel, and presented briefly the weakness and development tendency of the study on forest fuel.

文中评述了森林可燃物分类、可燃物模型及其预测研究的现状，并简述了我国森林可燃物研究存在的问题与发展趋势。

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The WHO said that the classification was mainly due to a study that showed heavy cellphone use might cause a 40% increased risk of glioma, a type of brain tumor.

FORBES: Why You Still Shouldn't Worry About Cellphones And Cancer