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苏联科学家成功地试验了用激光束来传送电话通话的装置。该实验是由Yerevan大学和Biurakan天文物理研究中心的科学家们共同进行的。
Soviet scientists have successfully tested devices that use laser beams to send telephone conversations. The experiment was conducted by scientists at Yerevan University and the Biurakan Astronomical Physics Research Center.