[多选] Which three characteristics are unique to the buying process for A small business compared with the buying process for an enterprise?（）
A . much faster B . focused primarily on cost C . not constrained by formal RFP D . technology focused E . less educated F . influenced by peer
强调物体的结构组合、穿插、明暗及形体的构成的素描作品叫设计素描。
在下列组织施工的方式中，工期最短的是（） 依次施工。 平行施工。 流水施工。 搭接施工。
重现期与频率有何关系，水文现象的重现期如何计算？
在水工建筑物及新浇混凝土附近和灌浆完毕地段邻近，绝不能爆破。
如字
Which three characteristics are unique to the buying process for A small business compared with the buying process for an enterprise?（）
