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
