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發表於:2016-11-28
Theequatorengirdstheearth.Theequatorisanimaginaryline.TheUnitedStatesisnorthoftheequator.Instead,theywobbledalongtheequatorbeforefizzlingout.Upperaircurrentsaredrivenacro...
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發表於:2019-12-11
Thegalacticcenterandanticenteraredirectlyoppositeoneanotheronthegalacticequator–thegalacticplaneprojectedontothesky'sdomeorstellarsphere.AsseenfromEarth,themooncrossedt...
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發表於:2023-12-27
1、dextrorotatorydiagramontheplaneofthecelestialequator2、diagramontheplaneofthecelestialequator3、theangulardistancealongthecelestialequatorfromtheobserver'smeridiantot...