Atmospheric aerosol optical depth is an indicator of air pollution.
气溶胶光学厚度也是大气污染的量化指示因子。
The optical indicator is used for projecting the external curser onto the imaging plane.
光学指示器用于将外部光标投影于显像平面上。
Chapter 2 is the research on porous plastic fiber optical probe for ammonia with the indicator of aminofluorescein.
第二章是以氨基荧光素为指示剂的多孔塑料光纤氨化学传感探头的研究。
This machine has the system of fixing the position by optical indicator and ultraviolet radiation sterilization.
机内装有紫外线杀菌，对包装材料进行消毒灭菌；
Chapter 3 is the research on porous plastic fiber optical probe for ammonia with the indicator of 2,7-dichloro-3,6-acrylate ester fluorescein.
第三章为以二氯二丙烯酸酯为指示剂的多孔塑料光纤氨化学传感探头的研究。
Chapter 3 is the research on porous plastic fiber optical probe for ammonia with the indicator of 2,7-dichloro-3,6-acrylate ester fluorescein.
第三章为以二氯二丙烯酸酯为指示剂的多孔塑料光纤氨化学传感探头的研究。
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