通槽四渠
北宋运河以开封为中心,以汴河为补给线,另外疏凿了广济河、金水河、惠民河,与汴水共称通漕四渠。
扫描二维码免费使用微信小程序搜题/刷题/查看解析。
版权声明:本文由翰林刷题小程序授权发布,如需转载请注明出处。
本文链接:https://doc.20230611.cn/post/455733.html
上一篇:Ask a stranger a question.Go on.Ask people things such as:"So,when did this bus get so busy?”“Have you always worn a hat?” They might answer by saying things such as, “None of your business,"but probably they won't.Instead,they'll say,“Well,it's been
下一篇:画出8个处理单元的间接二进制n方体网络(属于多级立方体网络),现要求1→6,3→1,4→7,5→2,7→4同时进行传送,请用虚线标出各开关的控制状态。如果是STARAN网络,上述的5对单元是否可以同时进行传送?为什么?