单选题 In addition to the identification and position of the distress, the distress alert may also contain information regarding the ______, the type of assistance, the course and speed of the ship and the time at which the information was recorded.
相关试题
单选题 The GMDSS is composed of ______.
单选题 The GMDSS defines four sea areas based on the ______.
单选题 What is the primary purpose of the GMDSS?
单选题 The GMDSS is composed of ______.
单选题 GMDSS is the abbreviation of ______.
单选题 The communication system used by the GMDSS includes ______.
单选题 The GMDSSis a world-wide communication network combining ______ with ______.
单选题 Which statement is false regarding a GMDSS-equipped ship?