HSE管理模式的HSE是指（） ["健康、安全、环境","生命、健康、财富","劳动、生产、效益","三不备害"]
Which two statements regarding the Wireless LAN Solution Engine （WLSE） are true？ （） [" To support fault and policy reporting， the WLSE requires a Wireless Control System （WCS）."," When WLSE detects an AP failure， it automatically increases the power and cell coverage of nearby APs."," WLSE requires the 2700 location appliance to offer location tracking."," WLSE can locate rogue APs and automatically shut them down."," WLSE configuration is done using the command line interface （CLI） or a WEB based template."]
轶事记录法
乙炔发生器按工作原理不同可分为排水式、电石入水式、水入电石式、联合式等，其中电石利用率最高的是（）。 ["排水式","水入电石式","电石入水式","联合式"]
说明下列句中黑体字的词性和意义。 奚以之九万里而南为？
酶的活性中心的共性？
