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Terms containing 定时观测时 | all forms | in specified order only
SubjectChineseEnglish
el.天波观测定时器sky-wave observation timer
tech.定时观测observation at fixed hours
tech.定时观测regular observation
tech.定时观测standard observation
agric.定时观测timing observation
tech.定时观测measurement at fixed hours
agric.定时观测时term hour
construct.定时观测时term hour
desert.定时观测时term hour
tech.定期观测时间term of hour