He has a comprehensive knowledge of medicine.
他有广泛的医学知识。
We are working on the study of food, a comprehensive knowledge on people's food phenomena, behaviors, natures, features and laws of food in diverse cultural contexts of different periods.
我们是食学工作者，食学是研究不同时期、各种文化背景人群食事行为、事象、性质、特征及其规律的一门综合性学问。
Besides, a comprehensive knowledge of household management, social etiquette, education and domestic entertainment is needed.
此外，还应具备家务管理、社交礼仪、教育以及家庭娱乐等综合性知识。
The paper makes a detailed comparison between several often used video file formats so that we can get a comprehensive knowledge of video files and use them better.
目前计算机中应用的视频文件格式很多，常常容易造成混淆而影响了它的正确使用。
The paper makes a detailed comparison between several often used video file formats so that we can get a comprehensive knowledge of video files and use them better.
目前计算机中应用的视频文件格式很多，常常容易造成混淆而影响了它的正确使用。
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