Around the goal of a MEMS photo-acoustic cell, this paper developed a highly sensitive miniaturized infrared photo-acoustic system.
围绕着光声腔mems化的目标，本文研制了一种高灵敏度小型化的谐振式红外光声气体传感系统。
He said experts have used a combination of DNA analysis and video, acoustic and cell phone technology to figure out what's living where, in the sea.
他说，专家们综合使用DNA分析、视频、水声及手机等技术定位各种海洋生物所在海域。
The closed cell polyimide foams were fabricated by foaming the precursor balloons, and the foams' acoustic absorption properties were tested.
采用前驱体微球法制备闭孔聚酰亚胺泡沫，并对其吸声性能进行了研究。
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