A.V=0.2315+0.049FB.V=2ΠRKNC.V=0.1FD.V=0.15F
A.30B.60C.90D.180
A.起始標(biāo)識(shí)B.數(shù)據(jù)包頭C.數(shù)據(jù)主體D.校驗(yàn)碼E.結(jié)束標(biāo)識(shí)