医生与护士相比较，对于急救知识的掌握程度无显著性差异（P>0.05），而对复合伤知识掌握程度医生好于护士（P<0.05）。
There was no significant difference about knowledge on first aid between doctors and nurses(P>0.05). Compared with nurses, doctors had better knowledge about combined injuries(P<0.05).
通过对这些知识系统的学习，我对这一领域的相关知识有了一定程度的理解和掌握。
Through the knowledge of the system to learn, I have knowledge in this field with a certain degree of understanding and mastering.
目的了解医学中专生对艾滋病知识的掌握程度及评价自编《艾滋病知识》小册子的健康教育效果。
Objective: to learn about the level of AIDS knowledge among the medical secondary school students and to assess the effectiveness of a health education booklet known as "AIDS knowledge".
有效的食物利用在很大程度上取决于家庭内部对于一些知识的掌握，这些知识包括：食品贮存和加工技术、基本营养原则以及适当的幼儿护理知识。
Effective food utilization depends in large measure on knowledge within the household of food storage and processing techniques, basic principles of nutrition, and proper child care.
有效的食物利用在很大程度上取决于家庭内部对于一些知识的掌握，这些知识包括：食品贮存和加工技术、基本营养原则以及适当的幼儿护理知识。
Effective food utilization depends in large measure on knowledge within the household of food storage and processing techniques, basic principles of nutrition, and proper child care.
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