“矢量”造句

加速度和速度都是矢量。
Acceleration and velocity are both vectors.

我们将用惯性矢量来定义惯性标量.
Inertia scalars are defined in terms of quantities called inertia vectors.

仅由两个矢量组成的力偶叫作简单力偶.
A couple consisting of only two vectors is called a simple couple.