初[始]軌[道]確定 preliminary orbit determination (pod): 初步軌道決定preliminary orbit: 預(yù)定軌道; 最初軌道determination of orbit: 軌道測(cè)定orbit determination: 軌道計(jì)算list of preliminary determination: 初定震中表下載手機(jī)詞典可隨時(shí)隨地查詞查翻譯