Identity authentication, protocol encryption, secure guest access, voice over WLAN features, and a small device footprint are all highlights of what product in the wireless technology market?（） [" wireless monitoring device"," wireless LAN controller"," wireless bridge"," wireless management device"," access point"]
证券投资基金根据其组织形式不同，可以分为（）。 ["开放型基金","封闭型基金","契约型基金","公司型基金","收入型投资基金"]
补充侦查以（）次为限 ["1","2","3","5"]
关于实试验中求出的与最大干密度相对应的最佳含水量Wj，测出该土层的含水量W，之间关系正确的是（） ["A.W<Wj；土太湿，需晾至W≈Wj","只有当W≈Wj时开始碾压，方可达到最大干密度的效果","如W>Wj，土太干，需适当洒水后再测含水率","以上都对<\/wj；土太湿，需晾至w≈wj>"]
What does a broad-spectrum interferer lower？（） ["SNR","noise floor","level of interference","Received Signal Strength Indicator"]
在带电的电流互感器二次回路上工作时，必须有（），使用（）。
