在线观看人与动牲交视频_夜夜高潮次次欢爽AV女_奇米在线视频观看_欧美精品七区_色悠久久综合网_少妇潮喷无码白浆水视频

美國SpectrEcology LLC 
SpectrEcology LLC 公司是美國的一家生產藍紫外LED和近紅外，中紅外光譜儀的廠家。

SpectrEcology LLC sells sensing solutions for scientists in the lab and field. Our technologies are optical based... including spectroscopy, radiometry, chemical sensors, nanotechnology, immunological assay and fiber optic probes. We have over 15 years experience designing and building custom applications for physicists, chemists, oceanographers, vulcanologists, plant physiologists, astronomers, geo-chemists, ecologists, environmentalists, plant engineers and researchers of all types.