orderlessadj.无条理的；不整齐的ordern.顺序；条理；订单；命令；秩序；阶层；[生]目；点的东西v.命令；定购；调整；整理；点餐；预定，订货ordered serial file有序系列文件orders acknowledged[经] 已承认的汇票, 承付汇票order of an element有限群order to show cause说明理由令ordered arrangement有序排列Ordering and casing润叶加料order of the growth增长级ordered instruction订货须知order of degeneracy退化次数order of succession演替顺序