Perpetual motion is one of the important physical concepts.

永久运动是重要物理概念之一。

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Einstein's great contribution in the breakthrough of some important physical concepts is introduced.

介绍了爱因斯坦在某些重要的物理观念的突破中所作出的伟大贡献。

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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。

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These ideas go from concepts to physical products in the supermarket.

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People represent abstract concepts with more immediate physical stand-ins.

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For online and blended courses, LearnSmart Labs offers the closest thing available to an actual physical laboratory experience, enabling students to put the concepts they have learned in class to the virtual test without requiring access to a brick-and-mortar lab.

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