Talking with parents about the past may enhance the development of the self-concept, for example, as well as help the child understand what it means to "remember".
例如，与父母谈论过去可以促进自我概念的发展，也可以帮助孩子理解“记住”的含义。
Case studies of children who are isolated from others reveal that they lack a firm self-concept, and their mental and psychological development is severely hindered by lack of language.
对孤立儿童的个案研究表明，他们缺乏坚定的自我概念，而其语言能力的缺乏严重阻碍了他们的智力和心理发展。
The paper introduces the necessity of the development, the design concept and the working principle of the controller for self-closing the glass of automobile window.
介绍了汽车自动关窗控制器研制开发的必要性及其设计思路、工作原理；
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