declination的精选

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用“declination”造句大全，declination造句

用“declination”造句大全，declination造句

2018-07-01
Themagnitudeoftheeffectontherateofchangeofpulsarperioddependsonthedeclinationofthepulsarandthelatitudeoftheobservingstation.Fromtheendof16thcenturytotheendof19thcentury,Manchucharactershadundergoneahi...