国内英语资讯:China launches twin BeiDou navigation satellites
<p><span word="XICHANG">XICHANG</span>, <span word="Nov">Nov</span>. 19-- <span word="China">China</span> <span word="sent">sent</span> <span word="two">two</span> <span word="new">new</span> <span word="satellites">satellites</span> <span word="of">of</span> <span word="the">the</span> <span word="BeiDou">BeiDou</span> <span word="Navigation">Navigation</span> <span word="Satellite">Satellite</span> <span word="System">System</span> (<span word="BDS">BDS</span>) <span word="into">into</span> <span word="space">space</span> <span word="on">on</span> <span word="a">a</span> <span word="Long">Long</span> <span word="March">March</span>-3<span word="B">B</span> <span word="carrier">carrier</span> <span word="rocket">rocket</span> <span word="from">from</span> <span word="the">the</span> <span word="Xichang">Xichang</span> <span word="Satellite">Satellite</span> <span word="Launch">Launch</span> <span word="Center">Center</span> <span word="in">in</span> <span word="Sichuan">Sichuan</span> <span word="Province">Province</span> <span word="at">at</span> 2:07 <span word="a">a</span>.<span word="m">m</span>. <span word="Monday">Monday</span>.</p><p><span word="The">The</span> <span word="satellites">satellites</span> <span word="entered">entered</span> <span word="a">a</span> <span word="medium">medium</span> <span word="earth">earth</span> <span word="orbit">orbit</span> <span word="more">more</span> <span word="than">than</span> <span word="three">three</span> <span word="hours">hours</span> <span word="later">later</span> <span word="and">and</span> <span word="will">will</span> <span word="work">work</span> <span word="with">with</span> 17 <span word="other">other</span> <span word="BDS">BDS</span>-3 <span word="satellites">satellites</span> <span word="already">already</span> <span word="in">in</span> <span word="space">space</span>. <span word="They">They</span> <span word="are">are</span> <span word="also">also</span> <span word="the">the</span> 42<span word="nd">nd</span> <span word="and">and</span> 43<span word="rd">rd</span> <span word="satellites">satellites</span> <span word="of">of</span> <span word="the">the</span> <span word="BDS">BDS</span> <span word="satellite">satellite</span> <span word="family">family</span>.</p><p><span word="With">With</span> <span word="the">the</span> <span word="successful">successful</span> <span word="launch">launch</span>, <span word="the">the</span> <span word="basic">basic</span> <span word="BDS">BDS</span> <span word="constellation">constellation</span> <span word="deployment">deployment</span> <span word="is">is</span> <span word="complete">complete</span>. <span word="China">China</span> <span word="plans">plans</span> <span word="to">to</span> <span word="provide">provide</span> <span word="navigation">navigation</span> <span word="services">services</span> <span word="with">with</span> <span word="the">the</span> <span word="BDS">BDS</span>-3 <span word="to">to</span> <span word="countries">countries</span> <span word="participating">participating</span> <span word="in">in</span> <span word="the">the</span> <span word="Belt">Belt</span> <span word="and">and</span> <span word="Road">Road</span> <span word="Initiative">Initiative</span> <span word="by">by</span> <span word="the">the</span> <span word="end">end</span> <span word="of">of</span> <span word="this">this</span> <span word="year">year</span>.</p><p>"<span word="This">This</span> <span word="is">is</span> <span word="a">a</span> <span word="key">key</span> <span word="step">step</span> <span word="for">for</span> <span word="BDS">BDS</span> <span word="developing">developing</span> <span word="from">from</span> <span word="a">a</span> <span word="domestic">domestic</span> <span word="experimental">experimental</span> <span word="system">system</span> <span word="to">to</span> <span word="a">a</span> <span word="regional">regional</span> <span word="and">and</span> <span word="then">then</span> <span word="a">a</span> <span word="global">global</span> <span word="navigation">navigation</span> <span word="system">system</span>," <span word="said">said</span> <span word="Yang">Yang</span> <span word="Changfeng">Changfeng</span>, <span word="chief">chief</span> <span word="designer">designer</span> <span word="of">of</span> <span word="the">the</span> <span word="BeiDou">BeiDou</span> <span word="system">system</span>.</p><p><span word="The">The</span> <span word="positioning">positioning</span> <span word="accuracy">accuracy</span> <span word="of">of</span> <span word="the">the</span> <span word="BDS">BDS</span>-3 <span word="system">system</span> <span word="has">has</span> <span word="been">been</span> <span word="improved">improved</span> <span word="to">to</span> 2.5 <span word="meters">meters</span> <span word="to">to</span> 5 <span word="meters">meters</span>, <span word="up">up</span> <span word="to">to</span> <span word="twice">twice</span> <span word="as">as</span> <span word="high">high</span> <span word="as">as</span> <span word="the">the</span> <span word="BDS">BDS</span>-2 <span word="system">system</span>, <span word="said">said</span> <span word="Yang">Yang</span>.</p><p><span word="Named">Named</span> <span word="after">after</span> <span word="the">the</span> <span word="Chinese">Chinese</span> <span word="term">term</span> <span word="for">for</span> <span word="the">the</span> <span word="Big">Big</span> <span word="Dipper">Dipper</span> <span word="constellation">constellation</span>, <span word="the">the</span> <span word="BeiDou">BeiDou</span> <span word="system">system</span> <span word="started">started</span> <span word="serving">serving</span> <span word="China">China</span> <span word="in">in</span> 2000 <span word="and">and</span> <span word="the">the</span> <span word="Asia">Asia</span>-<span word="Pacific">Pacific</span> <span word="region">region</span> <span word="in">in</span> 2017.</p><p><span word="China">China</span> <span word="plans">plans</span> <span word="to">to</span> <span word="launch">launch</span> <span word="another">another</span> <span word="six">six</span> <span word="BDS">BDS</span>-3 <span word="satellites">satellites</span> <span word="to">to</span> <span word="the">the</span> <span word="medium">medium</span> <span word="earth">earth</span> <span word="orbits">orbits</span>, <span word="three">three</span> <span word="satellites">satellites</span> <span word="to">to</span> <span word="the">the</span> <span word="inclined">inclined</span> <span word="geosynchronous">geosynchronous</span> <span word="earth">earth</span> <span word="orbit">orbit</span> <span word="and">and</span> <span word="two">two</span> <span word="satellites">satellites</span> <span word="to">to</span> <span word="the">the</span> <span word="geostationary">geostationary</span> <span word="earth">earth</span> <span word="orbit">orbit</span> <span word="from">from</span> 2019 <span word="to">to</span> 2020.</p><p><span word="The">The</span> <span word="system">system</span> <span word="will">will</span> <span word="provide">provide</span> <span word="first">first</span>-<span word="class">class</span> <span word="services">services</span> <span word="around">around</span> <span word="the">the</span> <span word="globe">globe</span> <span word="by">by</span> <span word="the">the</span> <span word="end">end</span> <span word="of">of</span> 2020.</p>
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