The concepts of social cultural consciousness, social cultural knowledge and social cultural ability in foreign language teaching, are related, overlapping and different as well.
外语教学中社会文化意识、社会文化知识、社会文化能力这三个概念既有联系，又交叉重叠，也存在差别。
Elementary knowledge in geometry is the main part in mathematics teaching which includes three aspects: concepts, formulas and applied problems.
几何初步知识是数学教学的主要内容之一，包括三个方面的内容：概念教学、公式教学和应用题教学。
Although it is beneficial to visual learning and classroom teaching, it is necessary to do more research in knowledge representation in perspectives of theories and concepts.
虽然该研究有益于视觉学习和课堂教学，但我们仍需在理论原理和概念区分方面对知识的外在表征特性展开更多的研究以促进其在教学中的应用。
Biology teachers in junior middle schools should renew knowledge concepts and improve course concepts, and also they should make efforts to achieve the aim by teaching practice.
初中生物教师应更新知识观念，转变课程理念，通过教学实践努力实现其目标。
Teachers should change their concepts, rational use of modern teaching methods, expand the students knowledge.
教员要转变观念，合理运用古代化教学手段，拓展先生的知识面。
Teachers should change their concepts, rational use of modern teaching methods, expand the students knowledge.
教员要转变观念，合理运用古代化教学手段，拓展先生的知识面。
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