求翻译：3.理解记忆。理解是记忆的基础。只有理解的东西才能记的牢、记得久。仅靠死记硬背，则不容易记住。对于重要的学习内容，如能作到理解和背诵相结合，记忆效果会更好。是什么意思？

3 understanding of memory. Understanding is the basis of memory. Only understand things in order to remember the prison, I remember a long time. Relying on rote memorization is not easy to remember. Important learning content, such as that could be done to understand and memorize the combination, th

3. understanding memories.The understanding is the memory foundation.Only then understood the thing can record the jail, remembers the long time.Only depends on the mechanical memorizing, then not easy to remember.Regarding important study content, if can do understood and recites unifies, the memor

3. Understanding memory. Understanding is the basis of memory. Only understanding of things to remember in prison, remember for a long time. Only by rote, it is not easy to remember. Important learning content, if it can be made to understand and recite the combination, memory for better results.