lines 181-182 says: "We can easily see that image:images/kinematics-math-01.png[],
likewise image:images/kinematics-math-02.png[]"
proposal: "We can easily see that:
image::images/kinematics-math-01.png[align="center"]
likewise:
image::images/kinematics-math-02.png[align="center"]"
.png "2.8 文档：kinematics.txt 中的小外观变化 #914"){kind=avatar}
当图像嵌入文本之间时，对齐很差。效果至少是丑陋的。
文件：./docs/src/motion/kinematics.txt