Ship movement service

Ship movement service (short: SMS; | also: ship movement radiocommunication service) is – according to Article 1.31 of the International Telecommunication Union´s (ITU) Radio Regulations (RR) – defined as «A safety service in the maritime mobile service other than a port operations service, between coast stations and ship stations, or between ship stations, in which messages are restricted to those relating to the movement of ships. Messages which are of a public correspondence nature shall be excluded from this service.»

单词	Ship movement
释义	Ship movement 原声例句当月 VOA Special English In 1788, the city installed one of the first traffic lights to control ship movement in the Ingul River. 1788年，该市安装了最早的交通灯之一，以控制英古尔河上的船只移动。英语百科 Ship movement service Ship movement service (short: SMS; \| also: ship movement radiocommunication service) is – according to Article 1.31 of the International Telecommunication Union´s (ITU) Radio Regulations (RR) – defined as «A safety service in the maritime mobile service other than a port operations service, between coast stations and ship stations, or between ship stations, in which messages are restricted to those relating to the movement of ships. Messages which are of a public correspondence nature shall be excluded from this service.»
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