Photo signal test could examine strong photosignals in dark background so that it was able to improve sensitivity of experiments, widen the range of application, and reduce specimen amount.
Beyond the stacks of info contained within standard picture files, a new breed of applications can pile on even more detailed signals about where a photo was taken.
除了标准照片文件中包括的大量信息之外，一项新技术的运用甚至可以找到照片拍摄地点的详细信息。
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Two-way light signals were transmitted, collected and converted by using lens, beam splitters, narrowband filters and photo-detectors.