KEEP IN CONTACT ON VHF CHANNEL 13.的中文意思是:在甚高频13频道保持联系。
At least()two-way VHF radiotelephone apparatus shall be provided on every cargo ship of 300 tons gross tonnage and upwards but less than 500 tons gross tonnage.
国际上规定VHF/CH16主要用于().
船舶因突遇浓雾,一时无法选择锚地抛锚而被迫在浓雾中航行时,除应按照雾天航行要点操作外,还应着重采取下列哪些措施()。①减速航行②充分利用雷达,VHF,AIS等助航仪器③服从当地VTS的管理并及时请求其帮助和指导④及早做好抛锚扎雾的准备工作,尽快找到锚地抛锚扎雾。
()is an area within the radiotelephone coverage of at least one VHF coast station in which continuous Digital Selective Calling is available.
VHF是()的意思。
VHF DSC工作模式为()。
VHF telephone()
The height of a VHF radio antenna is more important than the power output wattage of the radio because().
VHF/DSC与MF/DSC不能混用,因为()