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orderwire subsystem公务子系统order establishment秩序构建order and stability秩序和稳定order of magnitudes数量级order someone about颐指气使Order nanostructure有序纳米结构order of a reaction反应级数order of reflection反射级order of complexity复杂度order and gradation秩序渐进