Knowing physical concepts well and correctly is the important premise and guarantee to learn physics well.
掌握牢固的、正确的物理概念是学好物理学的前提和重要保障。
The concepts may be hard to grasp and look boring at first, but understanding th and knowing how to take advantage of th is important.
这些概个人建站教程念可能很难掌握而且非常枯燥，但是了解并知道如何利用它们的优势是很重要的。
In the process of knowing the world, people tend to understand abstract or strange concepts on the basis of their familiar or concrete concepts.
人们在认识世界的进程中，一般总是根据自己熟悉的、具体的和有形的事物概念去认识和对待陌生的、抽象的和无形的事物概念。
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