pentad造句
TheaveragePCDinAltayregionwas0.205;theaveragePCPwasthe38.12pentad.Theannualvariationappearsatri-peakforminthecurveofdekad-orpentad-haildaysevolution....
TheaveragePCDinAltayregionwas0.205;theaveragePCPwasthe38.12pentad.Theannualvariationappearsatri-peakforminthecurveofdekad-orpentad-haildaysevolution....