What is defined as an area, excluding sea area A1, within the radiotelephone coverage area of at least one MF coast station, in which continuous DSC alerting is available as defined by the IMO?
A.
Ocean Area Regions AOR-E, AOR-W, POR or IOR
B.
Sea Area A4
C.
Sea Area A3
D.
Sea Area A2
手机使用
分享
复制链接
新浪微博
分享QQ
微信扫一扫
微信内点击右上角“…”即可分享
反馈
参考答案:
举一反三
【单选题】If the length of a wire is halved and the cross-sectional area is doubled, the resistance will be _____.