非流通提单
non-negotiable bill of lading
流通提单
negotiable bill of lading
无提单提货保函
letter of indemnity for non-surrender of bill of lading
不可流通的提单
non-negotiable bill of lading
单通道FSK系统
single-channel FSK system
单通道比色温度计
single-path ratio thermometer
单通道采样率
sampling rate for each channel