交通态势评估
traffic sitnation assessment
境外通货交易
Offshore currency trading
静态呼吸通气功能
Static respiration ventilation function
局部通风机管理
local ventilator management
具索引之通信信道
communication channel with index
具有通知的呼叫保持
Call Hold with Announcement CHA
距离选通脉冲多普勒超声波流量计
range-gated Doppler ultrasonic flowmeter