A.4096 B.16777216 C.4294967296 D.4294967295
A.提高操作效率 B.減少人為失誤 C.提高遙控成功率 D.縮短操作時(shí)間
A.GPS對(duì)時(shí) B.SNTP對(duì)時(shí) C.IRIG-B對(duì)時(shí) D.IEC61588對(duì)時(shí)