本文介绍了降解塑料的研究开发和生产现状,探讨了其中存在问题,并且对市场前景进行了分析。
The research, development and production condition of degradable plastic are introduced. The market prospect of degradable plastic is also analysed.
为此,通过问卷调查和专家访谈,对我国目前的教学质量体系中各构成要素进行研究,得出其中存在问题较大的要素。
Therefore, through questionnaire surveys and interviews with experts, this paper did research in the elements in the current system of teaching quality in our country to find the problem.
然而,在今年早些时候,汽车城就有人怀疑,其中存在问题:数以千计的全新克莱斯勒汽车无法售出,而出现在飞机场的汽车公园或者城市其它角落。
But earlier this year some in Motown began to suspect something was wrong: thousands of new, unsold Chrysler vehicles began to fill up car parks at the airport and other locations around the city.
I have various -there have been lots of banking problems in the world and let me just mention some.
我有很多...,目前全球银行业存在很多问题,我来讲其中的一部分
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