ApS感光片
填空题感光片装置：包括（）、（）和（）装置。
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多选题Which two WLAN implementation statements are true？（）AAn autonomous wireless solution includes lightweight APs and WLAN controllers. The APs and the WLAN controllers are managed by a WLAN solution engine （WLSE/WLSM）.BAn autonomous wireless solution includes lightweight APs and WLAN controllers. The APs and the WLAN controllers are managed by the Cisco Wireless Control System （WCS）.CA lightweight wireless solution includes lightweight APs and WLAN controllers. The APs and the WLAN controllers are managed by a WLAN solution engine （WLSE/WLSM）.DA lightweight wireless solution consists of autonomous access points （APs）， which are managed by a WLAN solution engine （WLSE/WLSM）.EA lightweight wireless solution includes lightweight APs and WLAN controllers. The APs and the WLAN controllers are managed by the Cisco Wireless Control System （WCS）.
填空题黑白感光片从感色性分为：（）片，（）片，（）片，红外片等。
单选题消费函数(APC)和储蓄函数(APS)的关系是( )。A APC+APS=1B APC>APSC APC+APS>1D APC×APS=1
填空题对于公式E=I×t，在使用相机过程中，（）控制投射到感光片上的光学影像照度，（）控制光学影像在感光片上的停留时间。
问答题感光片的特性曲线表现了感光片的什么性能？特性曲线分成几部分？
问答题摄影时应如何选取感光片，为什么？
