人体的运动也属于古典力学研究的范围。
所以,有关力学问题,仍然用古典力学的原则来解决。
Therefore, the mechanics, the principle is still used to solve classical mechanics.
力学按其特点又分为古典力学、相对论力学和量子力学。
Also according to the characteristics of classical mechanics into mechanics, relativity and quantum mechanics mechanics.
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