If the sensor on the left see's more light than the one on the right, tell your differential drive to turn left. If they see the same amount of light, tell your robot to drive straight.
运行中如果左侧的传感器感应的亮度比右侧的强，那么就会通知的你的差分驱动器向左转。
2
An invariant formula for the right stretch tensor rate is given by a differential method directly.
利用直接求微分的方法，给出了右伸长张量率的不变性表示公式。
3
Right heart catheterization may provide valuable information in diagnosis and differential diagnosis.