This paper analyses some problems existing in the present multimedia-aided teaching and puts forward approaches to improving the quality of multimedia-aided teaching.
分析了目前多媒体教学中存在的一些问题，提出了一些提高多媒体教学质量的途径和方法。
Based on project practice, this paper analyses several common quality problems of wooden floor, and introduces the main methods of solving and preventing them.
结合工程实践，提出了木地板中几个常见质量问题，并介绍了其主要处理方法和防治措施。
This article analyses the common problems in the registration application and quality control of drug substance, and gives some suggestions for the issues concerned.
分析了申报原料药的管理和质量控制中存在的问题，简述了药品注册中原料药管理和质量控制的几点建议。
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