模板支架稳定计算时,k值为考虑架体整体稳定因数的单杆计算长度系数,与()有关。 ["立杆间距","高宽比与最小跨度","立杆伸出顶层水平杆高度","立杆步距"]
对受压构件中纵向钢筋的直径和根数有何构造要求?对箍筋的直径和间距又有何构造要求?
根据功率放大电路中晶体管()在交流负载线上的位置不同,功率放大电路可分为3种。 ["静态工作点","基极电流","集电极电压","集电极电流"]
"关于车辆技术管理,甲说:“车辆维护要坚持视情维护的原则。”;乙说:“车辆技术管理要采取现代化管理方法。”;丙说:“车辆技术管理要建立车辆质量监控体系。”说法不正确的是()。" ["甲","乙","丙","乙和丙"]
Which statement about access lists that are applied to an interface is true?() ["you can apply multiple access lists with the same protocol or in different…","you can config one access list,per direction,per layer 3 protocol","you can placeasmanyaccess lists as you want on any interface","you can apply ony one access list on any interface"]
有人认为幼儿教师就是“孩子王”,是一份没有出息的工作,你怎么看?