词汇	追踪研究
释义	追踪研究医follow-up study
随便看	station keeping accuracy station-keeping accuracy station keeping facilities Station Keeping Indication Station Keeping Indicator station-keeping manoeuvre station keeping radar station-keeping satellite station keeping ship station keeping system station-keeping system station keeping technique station-keeping technique station keeping thruster station-keeping thruster station large span structure station layout stationless station level station level manager station level network station licence station license station light station lighting system