复习旧知识 Review old knowledge ; Revising the existing knowledge
巩固旧的知识 Consolidate old knowledge ; Consolidation of the existing knowledge ; Consolidation of old knowledge
复习旧的知识 Review of the existing knowledge ; Review of old knowledge ; Refresher of old knowledge
知识陈旧率 staling rate of knowledge
知识折旧方法 Knowledge depreciation methods
然而，他们认为那些睡眠时间不超过8小时的学生在回忆旧知识、学习新课程和完成高质量工作方面面临着最大困难。
Yet they rated the students who have received eight hours or less as having the most trouble recalling old material, learning new lessons, and completing high-quality work.
同时，在教学过程中，还可以灵活的使用多媒体联系旧知识讲新知识。
Meanwhile, in teaching course you can operate multimedia to relate old knowledge to new knowledge flexibly.
并进一步优化思维过程，探索和发现规律，以达到沟通新旧知识，建构知识体系的目的。
What's more, it can optimize thinking process and make one explore and discover the law, so as to combine the new and old knowledge and construct the knowledge system.
应用推荐