background n. 1.后景,背景;基本情况;(纺织品等的)底子;出身;经历。 2.隐蔽的[不引人注目的]地位;幕后。 3.衬托音乐,伴音;【无线电】干扰杂音 (students of workers' background. 工人出身的学生)。 in the background 背地下,背后;在幕后(活动)。
The causes leading to somewhat low indicating value of the flame detector for very few burners in coal - fired utility boiler or misjudgement of the value have been analysed , and resolving measures , such as adjusting the detection distance of the flame detector , eliminating shield of vision for the flame detector , revising the critical value and background evaluation etc . , being put forward 摘要分析了电站燃煤锅炉个别燃烧器火检指示值偏低或误判的原因,提出了调整火检的检测距离,消除火检视线遮挡,以及修改火检的临界值和背景值等解决措施。