前序: preorder事件: event; incident程序事件: program event程序事件记录: program event recording (per); program event recording(per)顺序事件记录器: sequential events recorder化前序: the preface to the程序事项: procedural matter离散前序: discrete preorder前序编码: preamble前序遍历: preorder traversal前序归并: preorder merge前序元素: preceding element引子前序曲: preludis事件: s event事件: event; incident; événement 边境事件 border incident; 国际事件 international events; 意外事件 contingent event; 政治事件 political events; 是哪些关键性事件影响了1979年的能源状况? what key events influenced the energy situation in 1979带度数的前序: preorder with degrees前序中序后序: preorder inorder postorder驱动器前序表: driver-prologue table,dpt程序事项工作组: working grouon procedural matters前序部分和特征部分: preamble portion and characterizing portion226事件: february 26 incident228事件: 228 incidentexpiry事件: expiry eventsars事件: progress of the sars outbreakxyz事件: xyz affair