海上通信基本知识题库
总共有 48 条题目
海上通信基本知识题库
刷题
Which of the following statements is TRUE
Which of the following statements is TRUE
Which of the following statements is TRUE
Which of the following statements is TRUE
Which of the following statements is TRUE
Which of the following statements is TRUE
Which information must automatic identific
When should the emergency position-indicat
When may the automatic identification syst
When communicating on the radiotelephone u
To reduce the amount of catenary you may（）
The Vessel Bridge-to-Bridge Radiotelephone
The Vessel Bridge-to-Bridge Radiotelephone
The unit of duration of a dash in Morse Co
The range of a SSB transmission is MOST af
