国内英语资讯:China launches new BeiDou navigation satellite
<p><span word="XICHANG">XICHANG</span>, <span word="March">March</span> 9-- <span word="China">China</span> <span word="launched">launched</span> <span word="a">a</span> <span word="new">new</span> <span word="satellite">satellite</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="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="southwest">southwest</span> <span word="China">China</span>'<span word="s">s</span> <span word="Sichuan">Sichuan</span> <span word="Province">Province</span> <span word="at">at</span> 7:55 <span word="p">p</span>.<span word="m">m</span>. <span word="Monday">Monday</span> (<span word="Beijing">Beijing</span> <span word="Time">Time</span>), <span word="only">only</span> <span word="one">one</span> <span word="step">step</span> <span word="away">away</span> <span word="from">from</span> <span word="completing">completing</span> <span word="the">the</span> <span word="whole">whole</span> <span word="global">global</span> <span word="system">system</span>.</p><p><span word="The">The</span> <span word="satellite">satellite</span>, <span word="the">the</span> 54<span word="th">th</span> <span word="of">of</span> <span word="the">the</span> <span word="BeiDou">BeiDou</span> <span word="family">family</span>, <span word="was">was</span> <span word="sent">sent</span> <span word="into">into</span> <span word="a">a</span> <span word="geostationary">geostationary</span> <span word="orbit">orbit</span> <span word="as">as</span> <span word="planned">planned</span> <span word="by">by</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>.</p><p><span word="China">China</span> <span word="began">began</span> <span word="to">to</span> <span word="construct">construct</span> <span word="its">its</span> <span word="navigation">navigation</span> <span word="system">system</span>, <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="in">in</span> <span word="the">the</span> 1990<span word="s">s</span> <span word="and">and</span> <span word="started">started</span> <span word="serving">serving</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. <span word="At">At</span> <span word="present">present</span>, <span word="all">all</span> <span word="the">the</span> <span word="first">first</span> <span word="generation">generation</span> <span word="BDS">BDS</span>-1 <span word="satellites">satellites</span> <span word="have">have</span> <span word="ended">ended</span> <span word="operations">operations</span>, <span word="and">and</span> <span word="a">a</span> <span word="total">total</span> <span word="of">of</span> 54 <span word="BDS">BDS</span>-2 <span word="and">and</span> <span word="BDS">BDS</span>-3 <span word="satellites">satellites</span> <span word="have">have</span> <span word="been">been</span> <span word="sent">sent</span> <span word="into">into</span> <span word="space">space</span>.</p><p><span word="Compared">Compared</span> <span word="with">with</span> <span word="other">other</span> <span word="navigation">navigation</span> <span word="systems">systems</span> <span word="in">in</span> <span word="the">the</span> <span word="world">world</span>, <span word="the">the</span> <span word="design">design</span> <span word="of">of</span> <span word="the">the</span> <span word="BDS">BDS</span> <span word="constellation">constellation</span> <span word="is">is</span> <span word="unique">unique</span>, <span word="including">including</span> <span word="medium">medium</span> <span word="earth">earth</span> <span word="orbit">orbit</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="geostationary">geostationary</span> <span word="earth">earth</span> <span word="orbit">orbit</span> <span word="satellites">satellites</span>.</p><p><span word="The">The</span> <span word="BDS">BDS</span>-3 <span word="system">system</span> <span word="will">will</span> <span word="consist">consist</span> <span word="of">of</span> <span word="a">a</span> <span word="total">total</span> <span word="of">of</span> 30 <span word="satellites">satellites</span>, <span word="including">including</span> 24 <span word="medium">medium</span> <span word="earth">earth</span> <span word="orbit">orbit</span> <span word="satellites">satellites</span>, <span word="three">three</span> <span word="geostationary">geostationary</span> <span word="earth">earth</span> <span word="orbit">orbit</span> <span word="satellites">satellites</span> <span word="and">and</span> <span word="three">three</span> <span word="inclined">inclined</span> <span word="geosynchronous">geosynchronous</span> <span word="earth">earth</span> <span word="orbit">orbit</span> <span word="satellites">satellites</span>.</p><p><span word="The">The</span> <span word="newly">newly</span> <span word="launched">launched</span> <span word="satellite">satellite</span> <span word="is">is</span> <span word="the">the</span> <span word="second">second</span> <span word="geostationary">geostationary</span> <span word="earth">earth</span> <span word="orbit">orbit</span> <span word="satellite">satellite</span> <span word="of">of</span> <span word="the">the</span> <span word="BDS">BDS</span>-3 <span word="system">system</span>, <span word="and">and</span> <span word="the">the</span> <span word="last">last</span> <span word="one">one</span> <span word="is">is</span> <span word="expected">expected</span> <span word="to">to</span> <span word="be">be</span> <span word="launched">launched</span> <span word="in">in</span> <span word="May">May</span>.</p><p><span word="The">The</span> <span word="satellite">satellite</span> <span word="and">and</span> <span word="the">the</span> <span word="carrier">carrier</span> <span word="rocket">rocket</span> <span word="were">were</span> <span word="developed">developed</span> <span word="by">by</span> <span word="the">the</span> <span word="China">China</span> <span word="Academy">Academy</span> <span word="of">of</span> <span word="Space">Space</span> <span word="Technology">Technology</span> (<span word="CAST">CAST</span>) <span word="and">and</span> <span word="the">the</span> <span word="China">China</span> <span word="Academy">Academy</span> <span word="of">of</span> <span word="Launch">Launch</span> <span word="Vehicle">Vehicle</span> <span word="Technology">Technology</span>, <span word="respectively">respectively</span>.</p>
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