下列哪些指标必须现场测试采集()。
A.信号强度
B.关联成功率
C.DHCP请求成功率
D.AP设备可用率
参考答案:A, C
—Sorry, I didn’t hear the door bell ring.
—Your bell . Perhaps it needs repairing.
A.never worked
B.is never working
C.never works
D.had never worked
制作虾饼时预熟定型的方法是______。
A.炸制
B.煎制
C.蒸制
D.汆制