It has two parts.One is for the United States.

VOA: special.2009.02.02

The cycle of Newtonian dynamics has two parts.

牛顿动力学体系由两部分组成

耶鲁公开课 - 基础物理课程节选

So, Newtonian mechanics has two parts.

它包含两部分

耶鲁公开课 - 基础物理课程节选

An embassy usually has two parts.

VOA: special.2009.09.21

So the product of Newtonian mechanics of predicting the future given the present, has got two parts, and one is called kinematics and the other is called dynamics.

所以牛顿力学,基于现状对未来的预测,包含两个部分,一部分被称为运动学,而另一部分被称为动力学

耶鲁公开课 - 基础物理课程节选