GRADS system的意思|示意

Information science grads and management information system had conservative increases.

信息科学专业和经营管理信息专业也有较少的增加。

According to the definitions of grads, divergence and rotation, the expression in spherical coordinate system is given from the point of physics.

据梯度、散度、旋度的定义，用物理的方法给出了在球坐标系中的表达式；此方法也可以推广到其它的正交曲面坐标系中。

Then the control system of the bus was studied and a mode of control in grads was proposed.

然后讨论了燃料电池电动客车的控制系统，提出了分级控制的方案？