模型系统有三个自由度，即：俯仰，滚转，偏航。

The model system has three freedoms, namely: Pitch, Roll, and Yaw.

youdao

模型系统有三个自由度，即：俯仰，滚转，偏航。

The model system has three freedoms, namely: Pitch, Roll, and Yaw.

youdao