[填空题] 城乡统筹在于推进（）之间的互动。

电与磁都是物质运动的基本形式，两者之间密不可分，统称为（）。 ["电磁现象","磁化","磁场","磁力"] Why does RouterA show multiple unequal cost paths to network 192.168.81.0/24（）。 ["A variance was configured for EIGRP autonomous system 109.","The EIGRP topology table displays all routes to a destination.","The EIGRP topology table shows only backup routes to a destination.","Multiple floating static routes were configured to network 192.168.81.0 via interface Serial0."] 关于合适视距描述错误的有（） ["大型景物的合适视距为景物高的3.5倍","水平景物的合适视距为景物宽度的1.2倍","当宽度大于高度时，依水平视距来考虑","当高度大于宽度时，依垂直视距来考虑"] （）不属承包人风险。 ["异常恶劣天气","一般天气问题","非承包人承担的设计文件缺陷","承包人工人罢工","发包人提供的工程设备"] 磁感应线上任一点的（）方向与该点的磁场方向一致。 ["曲线","切线","直线","S极"] 城乡统筹在于推进（）之间的互动。