25. In relation to the route radio service, which part shall be consulted in the List of Lights and Fog Signals? ______
举一反三
- 177. What is the use of the books of Admiralty List of Lights and Fog Signals? Their use is to ______
- 68. Cumulative list of amendments of Admiralty List of Radio Signals published _____ every year.
- 中国大学MOOC: “Big Ear” was a large radio __________, which listened for signals from space.
- Which of the following are considered as part of the service industry?
- First of all, the lights are very attractive. They are headlights, turning lights, fog lights, taillights ，brake lights and so on. These lights help drivers to have a good visibility in poor conditions and give singals to show the intentions.