ice-point compensation 冰点补偿icon 图像ideal gas 理想气体ideal gas model 理想气体模型ideal mechanical advantage 理想机械利益ideal network 理想网络ideal noise diode 理想噪声二极管ideal radiator 理想辐射体ideal value 理想值identification 识别identification code 识别码identification, exchange (XID) 交换识别identifier 识别码identifier, node 网点识别码identifier, service access point (SAPI) 服务存取端识别码identifier, terminal endpoint (TEI) 终端末端识别码identifier, terminal equipment (TEI) 终端设备识别码identifier, virtual circuit (VCI) 虚拟电路识别码ideographic 表意