国内英语资讯:China opens 2,000-km quantum communication line
<p><span word="BEIJING">BEIJING</span>, <span word="Sept">Sept</span>. 29-- <span word="A">A</span> 2,000-<span word="km">km</span> <span word="quantum">quantum</span> <span word="communication">communication</span> <span word="line">line</span> <span word="opened">opened</span> <span word="on">on</span> <span word="Friday">Friday</span> <span word="between">between</span> <span word="Beijing">Beijing</span> <span word="and">and</span> <span word="Shanghai">Shanghai</span>.</p><p><span word="The">The</span> <span word="line">line</span> <span word="is">is</span> <span word="the">the</span> <span word="world">world</span>'<span word="s">s</span> <span word="first">first</span> <span word="trunk">trunk</span> <span word="line">line</span> <span word="of">of</span> <span word="secure">secure</span> <span word="quantum">quantum</span> <span word="telecommunications">telecommunications</span>. <span word="The">The</span> <span word="Jing">Jing</span>-<span word="Hu">Hu</span> (<span word="Beijing">Beijing</span>-<span word="Shanghai">Shanghai</span>) <span word="Trunk">Trunk</span> <span word="Line">Line</span> <span word="connects">connects</span> <span word="Beijing">Beijing</span>, <span word="Jinan">Jinan</span>, <span word="Hefei">Hefei</span>, <span word="and">and</span> <span word="Shanghai">Shanghai</span>.</p><p><span word="The">The</span> <span word="line">line</span> <span word="is">is</span> <span word="connected">connected</span> <span word="with">with</span> <span word="the">the</span> <span word="world">world</span>'<span word="s">s</span> <span word="first">first</span> <span word="quantum">quantum</span> <span word="satellite">satellite</span>, <span word="which">which</span> <span word="was">was</span> <span word="launched">launched</span> <span word="by">by</span> <span word="China">China</span> <span word="in">in</span> <span word="August">August</span> <span word="last">last</span> <span word="year">year</span>, <span word="through">through</span> <span word="a">a</span> <span word="station">station</span> <span word="in">in</span> <span word="Beijing">Beijing</span>. <span word="The">The</span> <span word="satellite">satellite</span> <span word="is">is</span> <span word="nicknamed">nicknamed</span> "<span word="Micius">Micius</span>," <span word="after">after</span> <span word="a">a</span> <span word="fifth">fifth</span> <span word="century">century</span> <span word="B">B</span>.<span word="C">C</span>. <span word="Chinese">Chinese</span> <span word="philosopher">philosopher</span> <span word="and">and</span> <span word="scientist">scientist</span> <span word="who">who</span> <span word="has">has</span> <span word="been">been</span> <span word="credited">credited</span> <span word="as">as</span> <span word="the">the</span> <span word="first">first</span> <span word="one">one</span> <span word="in">in</span> <span word="human">human</span> <span word="history">history</span> <span word="conducting">conducting</span> <span word="optical">optical</span> <span word="experiments">experiments</span>.</p><p><span word="Bai">Bai</span> <span word="Chunli">Chunli</span>, <span word="president">president</span> <span word="of">of</span> <span word="the">the</span> <span word="Chinese">Chinese</span> <span word="Academy">Academy</span> <span word="of">of</span> <span word="Sciences">Sciences</span> (<span word="CAS">CAS</span>), <span word="talked">talked</span> <span word="with">with</span> <span word="staff">staff</span> <span word="in">in</span> <span word="Hefei">Hefei</span>, <span word="Jinan">Jinan</span>, <span word="Shanghai">Shanghai</span> <span word="and">and</span> <span word="Xinjiang">Xinjiang</span> <span word="Uygur">Uygur</span> <span word="Autonomous">Autonomous</span> <span word="Region">Region</span>, <span word="through">through</span> <span word="the">the</span> <span word="line">line</span>. <span word="He">He</span> <span word="also">also</span> <span word="had">had</span> <span word="a">a</span> <span word="video">video</span> <span word="call">call</span> <span word="with">with</span> <span word="Austrian">Austrian</span> <span word="quantum">quantum</span> <span word="physicist">physicist</span> <span word="Anton">Anton</span> <span word="Zeilinger">Zeilinger</span>, <span word="through">through</span> <span word="the">the</span> <span word="satellite">satellite</span>.</p><p><span word="Quantum">Quantum</span> <span word="communications">communications</span> <span word="have">have</span> <span word="ultra">ultra</span>-<span word="high">high</span> <span word="security">security</span>. <span word="It">It</span> <span word="is">is</span> <span word="impossible">impossible</span> <span word="to">to</span> <span word="wiretap">wiretap</span>, <span word="intercept">intercept</span> <span word="or">or</span> <span word="crack">crack</span> <span word="the">the</span> <span word="information">information</span> <span word="transmitted">transmitted</span> <span word="through">through</span> <span word="them">them</span>.</p>
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