Scientists at the Cern lab in Geneva fired a beam of these particles through 450 miles of rock towards detectors in the Gran Sasso lab in Italy.
位于日内瓦的欧洲粒子物理研究所的科学家们向450公里外意大利格兰萨索地下实验室的探测器发射了一束中微子。
A web of security cameras, metal detectors, beam sensors and bullet-proof screens will reinforce security in the three-storey, 3, 000 square-metre building.
在这座三层楼高、3000多平米的建筑中，监视系统、金属探测器、光束传感器和防弹屏构成了一个网络，加强安全保卫。
Spiral Multi-detector CT uses 8, 16, 64 or more detectors during continuous motion of the patient through the radiation beam to obtain much finer detail images in a shorter exam time.
多排螺旋CT使用过程中病人的连续螺旋运动，通过辐射光束8，16，64或更多的探测器，在一个较短的考试时间获得更精细的细节图像。
Selection of active outdoor infrared detectors, active infrared transmitter sent a bouquet of the infrared beam by the modulation, into the infrared receiver to form a cordon.
室外选用主动式红外探测器，主动红外发射器发出一束经调制的红外光束，投向红外接收器，形成一条警戒线。
In the paper, a novel beam orienting mechanism utilizing no CCD or quadrant detectors is presented.
本文一种新颖的不使用CCD或四象限传感器的光束定向机理。
Two-way light signals were transmitted, collected and converted by using lens, beam splitters, narrowband filters and photo-detectors.
通过透镜、二向分光镜、窄带滤光片、光电转换器件实现了两路光信号的传输采集和转换。
The devices used are beam splitters and ideal photon detectors capable of distinguishing between odd and even photon numbers.
该方案所使用的器件包括分束器和可以区分奇偶光子数的理想光子探测器。
The devices used are beam splitters and ideal photon detectors capable of distinguishing between odd and even photon numbers.
该方案所使用的器件包括分束器和可以区分奇偶光子数的理想光子探测器。
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