A .Procedural Controls流程控制 B. Electronic Systems電子系統(tǒng) C .Security Guards安全守衛(wèi) D .Hardware Devices硬件設(shè)備
A. The pattern of light receptors at the back of the eye眼底光受體組織的圖案 B. The pattern of blood vessels at the back of the eye眼底血管的圖案 C. The amount of light reaching the retina視網(wǎng)膜受光量 D .The amount of light reflected by the retina視網(wǎng)膜反射光量
A. The use of discriminating judgment使用辨別判斷能力的時候 B. The use of physical force使用暴力的時候 C .The operation of access control devices對訪問控制設(shè)備操作的時候 D .The need to detect unauthorized access需要能檢測到未授權(quán)訪問的時候