质量责任制
A company has a small network,consisting of a single switch and a single router.The switch has been configured with two vlans,and route-on-a-stick is being configured on the router for inter-vlan routing.A trunk is configured to connect the switch to the router.What is the minimum number of router subinterfaces that are required for all the vlans to communicate?() one。 three。 two。 zero。
减法反应时间
“町”的意思是:() 乡村。 国家。 田地。 城镇。
低频电疗法使用电流频率(),中频电疗法使用电流频率1—100KHz,高频电疗法使用电流频率()。
我国相关的法规规定,中外合资、合作医疗机构的合资、合作期限不得超过()