Distances shown are based on zero wind.
A.Distances shown are based on weak wind. B.Distances shown are developed with no wind. C.Distances shown are on the basis of gentle wind.正确答案B
Distances shown are based on zero wind.
A.Distances shown are based on weak wind. B.Distances shown are developed with no wind. C.Distances shown are on the basis of gentle wind.正确答案B
