Made a comparison to the spray systems at home and abroad, and pointed out the problems existed in the aspect of epoxy powder spray system in our country and put forward recommendations.
对国内外的喷涂系统做了比较，指出我国目前在环氧粉末喷涂系统方面存在的问题，提出了改进建议。
METHODS:According to the experience of author on clinical research management in many years, key step and control measure of drug clinical trials were explored to put forward recommendations.
方法：结合笔者多年的临床研究工作管理经验，对药物临床试验质量的关键环节和控制措施进行探讨并提出建议。
METHODS:According to the experience of author on clinical research management in many years, key step and control measure of drug clinical trials were explored to put forward recommendations.
方法：结合笔者多年的临床研究工作管理经验，对药物临床试验质量的关键环节和控制措施进行探讨并提出建议。
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