differential motion meaning in English

差动运动
差速运动

Aimed at special - purpose robot for hydraulic turbine repair , in this paper each aspect of kinematics for the robot including forward and inverse solution of pose , workspace , forward and inverse jacobian matrix , differential motion , forward and inverse solution of velocity and acceleration are detailed analyzed and computed , and then their programs are given in matlab language
针对水轮机修复专用机器人，对其运动学的各个方面，包括位姿分析正、逆问题，工作空间，正、逆雅可比矩阵，微分运动，速度正、逆问题以及加速度正问题进行了详细的分析和计算，同时给出基于matlab软件编制的计算程序。