河道自然功能评价
evaluation of the natural functioning of the river
天然自净化功能
Natural Self-purification
静脉性勃起功能功能障碍
venogenic erectile dysfunction
多功能自动复述耳机
multi-function auto-repeat earphone
多功能自动数据分析机
multi-purpose automatic data analysis machine
多功能自确认传感器
multi-function self-validating sensor
呼吸功能自动分析仪
automatic respiration function analyzing system
electronic spiro-analyzer
全自然能源海水淡化
nature energy desalination
小型多功能自动包装机
small multifunction automatic packager
自然γ能谱测井
natural gramma-ray spectrum logging
Natural gamma-ray logging
自然功率
natural power
nature transmission power
Natural transmission power
surge impedance loading