空气检测 meaning in Chinese

aerial detection
air monitoring

Only 1 percent of the country ' s 560 million city dwellers breathe air considered safe by the european union
在5亿6千万城市居民的空气检测中，只有1 %的城市居民呼吸的空气被欧洲联合组织认为是安全合格的。
Epa personnel wearing level a personal protective clothing and equipment for air monitoring and hazardous waste sampling . ( image courtesy of u . s . environmental protection agency
Epa人员穿著a级防护衣与装备，对危险废弃物样本进行空气检测。（美国环境保护局摄。）
From the studies of the methods of photoemission , capacitance and ultrasonic to detect the air in the transfusion pipe , the best way to detect the air is the use of ultrasonic
通过比较光电式、电容式和超声波式三种对输液过程中空气的检测方法,可知超声波检测法为输液管内空气检测的理想方法。