To hover, all propellors rotate at the same speed.
想要盘旋，所有的推进器以相同的速度旋转即可。
2
The front and back propellor turn clockwise, while the left and right propellors spin counter-clockwise.
前后两个推进器顺时针旋转，而左右两个则逆时针旋转。
3
According to the company, the drone is equipped with a multi-rotor system with 8 propellors, giving better odds to safely land even if multiple systems fail.