下面关于恶意代码防范描述正确的是()。
A、及时更新系统,修补安全漏洞D
暂无解析
TheAirWaybillisthemostimportantdocumentinaircargotransportation.Itservesas().
AnAWBiscalleda()iftheaircarrierisnotspecifiedintheairwaybill.
TheCFRtermcanbeusedonlyforseaandinlandwaterwaytransport.
Normallythemarinebillofladinghasthreefunctions,namely().
根据《公约》的解释,构成有效的接受要具备的条件是