Must be set up absolutely parallel to the traffic flow to avoid "cosine" errors.

必须保持和交通车辆平行，以避免余弦定律产生的错误。

youdao

Must be set up absolutely parallel to the traffic flow to avoid "cosine" errors.

必须保持和交通车辆平行，以避免余弦定律产生的错误。

youdao