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- Digital selective calling(DSC) forms the basis of distress alerting and safety communications. 数字选择性呼叫是遇险和安全呼叫的基础。
- GMDSS operator(s) able to explain correct procedures in cancel a false distress alert? 误发遇险警报后，GMDSS操作员是否能解释如何纠正？
- GMDSS operator(s) able to explain correct procedures in cancelling a false distress alert? 误发遇险警报后，GMDSS操作员是否能解释如何纠正？
- Even if its crew does not have time to radio for help, a distress alert will be transmitted automatically via an EPIRB. 即使在船员没有时间用无线电方式要求救助的情况下，将通过EPIRB自动发出遇险报警。
- There are two ways for distress alerting by DSC: the first way is to press fixed button directly and other way is to edit distress message before sending alert. 通过DSC进行遇险报警有两种方法：一是直接按固定按钮，另外则是在发送报警前进行遇险信息的编辑。
- That connection will ensure accurate location information is sent to a rescue coordination center if a distress alert is ever transmitted. 这种连接将确保一旦发射遇险报警，精确的位置信息就被传送到救助协调中心。
- Distress Alerting and Locating System 遇难警报与定位系统
- Distress alerting band of polar-orbiting satellites 绕极卫星海难呼救波段
- geostationary satellite distress alerting system 对地静止卫星遇险报警系统
- The lifeboat went out to a ship in distress. 救生船去救一艘遇险的船只。
- distress alerting band in terrestrial VHF communication services 地球甚高频通信海难警戒波段
- One should not run about aimlessly during an alert. 空袭警报期间不可到处乱跑。
- Distress alerting band in terrestrial medium frequency communication services 地球中频通信海难警戒波段
- Everyone has to benignly help people in distress. 每一个人应让该亲切地帮助有困难的人。
- She is always on the alert for some new calamity. 她总是保持警觉以防某种新的灾难。
- Keep on the alert; we're due for an inspection. 提防着点，轮到检查我们了。
- Most men will help a damsel in distress. 男人多愿帮助有困难的女子。
- Be sure to be watchful or alert. 必须留神，千万要提防。
- Her death was a great distress to all the family. 她去世後全家人极为悲痛。
- The sick man showed signs of distress. 那个生病的男人表现出痛苦的迹象。
