观测时雨夹雪 recent rain and snow
AWOS实时观测资料 AWOS real-time observation data
GPS观测时间 GPS observation time
必要观测时间 necessary observation time
标准观测时间 standard time of observation; standard time of obsevation
不同观测时段 different observation period
地转海洋学实时观测阵 ARGO
非综观观测 non-synoptic observation; asynoptic observation
观测时 hour of observation
观测时冻雨 recent freezing rain
观测时段 Observing session
观测时机 sighting opportunity
观测时间 Observing-time Period; observation period; observing time; observation time; observed failure rate; the observation time
观测时间长度 observation interval
观测时雷雨 recent thunderstorm
观测时期 observation period
观测时有雹 recent hail
观测时有雪 recent snow
观测时有雨 recent rain