方法随机整群抽取医学低年级学生，集中研究对象，由专家进行专题讲座。
Methods Junior grade students of medical school were chosen randomly by cluster sampling.
对786名中学教师采用专题讲座法分批进行血脂相关知识教育，结果教育对象对血脂相关知识认知程度显著提高。
Lectures on blood-lipid knowledge were given for 786 middle school teachers so that the teachers understood lipid-related knowledge at a markedly higher level.
以问卷形式对220名护生进行调查，以专题讲座、主题班会、交流经验等形式进行专业引导。
Then, the specialty guidance was provided through the means of lectures, class-meeting on a special topic, meeting of experience exchange, and so on.
以问卷形式对220名护生进行调查，以专题讲座、主题班会、交流经验等形式进行专业引导。
Then, the specialty guidance was provided through the means of lectures, class-meeting on a special topic, meeting of experience exchange, and so on.
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