根据相关力学定律和公式，合理地确定了各种参数，建立了齿轮啮合转子系统DEM动力学模型。
According to relevant mechanics laws, formulas and various parameters of the rotor system identified reasonably, the DEM dynamics models of gear meshing rotor system were established.
牛顿发现万有引力定律，建立了经典力学，他用一个公式将宇宙中最大天体的运动和最小粒子的运动统一起来。
Newton discovers gravitational theory, built up classic mechanics, he USES a formula the biggest ephemeris sport in the cosmos and minimum grain sport of the son unify.
另一方面，高等数学、物理学和化学通常是以公式的形式来讲解定义和定律的。
On the other hand, higher mathematics, physics and chemistry usually in the form of formula to explain the law and the definition.
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