短语词组短语sequent calculus 相继式演算sequent geosyncline 后继地槽;槽内地槽sequent occupance 连续占据;连续居住sequent depth 跃后水深initial sequent 初始相继式sequent grammar 后承语法sequent convergence 序列收敛sequent structure 顺序结构sequent detail 相继式 返回 sequent