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本底空气
1、deprived background───贫困的出身
2、background check───背景调查;背景核对
3、checkerboard background───棋盘背景
4、teal background───青绿色背景
5、cultural background───背景光补偿;背理测验;文化背景;背景知识
6、accurate background───准确的背景
7、antipodean background───反模式背景
8、education background───学历;教育背景;[法] 学历
9、background───vt.作…的背景;adj.背景的;发布背景材料的;n.背景;隐蔽的位置
1、Climate factors influencing bacterial count in background air samples───本底空气取样里气候因子影响的细菌数
2、BAPMoN; Background Air Pollution Monitoring Network;───本底空气污染监测网;
3、With this method, the operator will have to calibrate zero and span on one background Air and need to change the pressure when backgrounds are changed.───使用此方法标定零点和量程在一个背景气情况下,在需要改变背景气时改变压力。
4、air bubble ascending from the ocean floor contorts and twists into a semicircle as a wave breaks in the background.───波浪在背景中破碎时,从海底升起的气泡扭曲成半圆形。