古人讲究适地适树，插柳沿堤，栽梅绕屋。
Which two WLAN implementation statements are true？（） ["An autonomous wireless solution includes lightweight APs and WLAN controllers. The APs and the WLAN controllers are managed by a WLAN solution engine （WLSE\/WLSM）.","An autonomous wireless solution includes lightweight APs and WLAN controllers. The APs and the WLAN controllers are managed by the Cisco Wireless Control System （WCS）.","A lightweight wireless solution includes lightweight APs and WLAN controllers. The APs and the WLAN controllers are managed by a WLAN solution engine （WLSE\/WLSM）.","A lightweight wireless solution consists of autonomous access points （APs）， which are managed by a WLAN solution engine （WLSE\/WLSM）.","A lightweight wireless solution includes lightweight APs and WLAN controllers. The APs and the WLAN controllers are managed by the Cisco Wireless Control System （WCS）."]
4C理论
对真空采血管的评价，哪一种说法是不正确的（） ["可控制采血量","减少溶血的发生","减少采血过程中的生物性污染","操作方便，减少工作强度","即使不加添加剂，亦可快速分离出血清"]
4P理论
加速军队信息化步伐
