相關詞條
+antecedent river
1 . 先成河
空間分布關系,劃分出:順向河(consequent river),逆向河(obsequent river),先成河(antecedent river),后成河(subsequent river)和疊置河(superimposed river)五種.
+antecedent drainage
1 . 先成水系
Antarctic Circle 南極圈antecedent drainage 先成水系anthracite 無煙煤
+antecedent debt
1 . 先前的債項
annuity on human life 人壽年金antecedent debt 先前的債項ante-dated cheque 倒填日期支票
+antecedent valley
1 . 先成谷
antecedent river 先成河antecedent valley 先成谷anteclise 臺背斜