Two phases, but one component.

两个相，但只有一种组分。

麻省理工公开课 - 热力学与动力学课程节选

You cannot have two vectors equal without exactly the same x component, exactly the same y component.

你不能说两个矢量相等,如果它们的 x 分量不完全相同,或者 y 分量不完全相同

耶鲁公开课 - 基础物理课程节选

It breaks down into its component parts and I show two of those component parts here, one is the genetic material, in this case DNA, and the other is all the proteins that form the structure of the virus.

分解为自身各种零件,这里给你们展示一下其中的两个,其一是遗传物质,这里指DNA,另一个是构建病毒结构的所有蛋白质

耶鲁公开课 - 生物医学工程探索课程节选

If you want to add two vectors, you can add the arrows by the rule I gave you or just add the components of x of the two guys to get the component of the sum and likewise for the y.

如果要把两个矢量相加,你可以用我教给你们的箭头相接的方法,或者就将二者的 x 分量相加,得到和矢量的 x 分量,y 方向也是这样

耶鲁公开课 - 基础物理课程节选