drift alarm meaning in English

偏漂移告警

Besides , it is also responsible for the feedback of data on the outdoor operations reports as well as the service of turnover periods for overhauling , standards for drift alarm , time limits for emergent repair , efficiency of energy transfer duration for light emission , etc . 4
它一方面为航标维护管理提供科学、准确的维护计划，以减少航标生产的盲目性，提高航标维护的效率和效益，另一方面对航标维护过程进行跟踪和监控，为航标维护管理人员提供决策和管理的科学依据。