国内英语资讯:Chinas new huge solid rocket booster completes test
<p><span word="BEIJING">BEIJING</span>, <span word="March">March</span> 5-- <span word="China">China</span> <span word="announced">announced</span> <span word="Tuesday">Tuesday</span> <span word="that">that</span> <span word="the">the</span> <span word="country">country</span>'<span word="s">s</span> <span word="new">new</span> <span word="solid">solid</span> <span word="rocket">rocket</span> <span word="booster">booster</span>, <span word="with">with</span> 200-<span word="tonne">tonne</span> <span word="thrust">thrust</span> <span word="engine">engine</span>, <span word="completed">completed</span> <span word="hot">hot</span> <span word="firing">firing</span> <span word="tests">tests</span>, <span word="proving">proving</span> <span word="its">its</span> <span word="readiness">readiness</span> <span word="for">for</span> <span word="commercial">commercial</span> <span word="launches">launches</span>.</p><p><span word="With">With</span> <span word="a">a</span> <span word="diameter">diameter</span> <span word="of">of</span> 2.65 <span word="meters">meters</span>, <span word="the">the</span> <span word="booster">booster</span> <span word="engine">engine</span> <span word="is">is</span> <span word="expected">expected</span> <span word="to">to</span> <span word="be">be</span> <span word="used">used</span> <span word="on">on</span> <span word="the">the</span> <span word="modified">modified</span> <span word="version">version</span> <span word="of">of</span> <span word="the">the</span> <span word="Long">Long</span> <span word="March">March</span>-11 <span word="rocket">rocket</span>. <span word="The">The</span> <span word="rocket">rocket</span> <span word="is">is</span> <span word="the">the</span> <span word="only">only</span> <span word="series">series</span> <span word="in">in</span> <span word="the">the</span> <span word="Long">Long</span> <span word="March">March</span> <span word="family">family</span> <span word="that">that</span> <span word="uses">uses</span> <span word="solid">solid</span> <span word="propellants">propellants</span>, <span word="and">and</span> <span word="it">it</span> <span word="can">can</span> <span word="be">be</span> <span word="launched">launched</span> <span word="within">within</span> 24 <span word="hours">hours</span>.</p><p><span word="Developed">Developed</span> <span word="by">by</span> <span word="the">the</span> <span word="Academy">Academy</span> <span word="of">of</span> <span word="Aerospace">Aerospace</span> <span word="Solid">Solid</span> <span word="Propulsion">Propulsion</span> <span word="Technology">Technology</span> <span word="under">under</span> <span word="the">the</span> <span word="China">China</span> <span word="Aerospace">Aerospace</span> <span word="Science">Science</span> <span word="and">and</span> <span word="Technology">Technology</span> <span word="Corporation">Corporation</span>, <span word="it">it</span> <span word="will">will</span> <span word="be">be</span> <span word="China">China</span>'<span word="s">s</span> <span word="most">most</span> <span word="powerful">powerful</span> <span word="rocket">rocket</span> <span word="booster">booster</span> <span word="engine">engine</span>, <span word="delivering">delivering</span> <span word="a">a</span> <span word="maximum">maximum</span> <span word="thrust">thrust</span> <span word="of">of</span> 200 <span word="tonnes">tonnes</span> <span word="and">and</span> <span word="the">the</span> <span word="ability">ability</span> <span word="to">to</span> <span word="carry">carry</span> <span word="as">as</span> <span word="much">much</span> <span word="as">as</span> 71 <span word="tonnes">tonnes</span> <span word="of">of</span> <span word="fuel">fuel</span>.</p><p><span word="It">It</span> <span word="will">will</span> <span word="have">have</span> <span word="a">a</span> <span word="carrying">carrying</span> <span word="capacity">capacity</span> <span word="of">of</span> 1.5 <span word="tonnes">tonnes</span> <span word="for">for</span> <span word="sun">sun</span>-<span word="synchronous">synchronous</span> <span word="orbit">orbit</span>.</p><p><span word="In">In</span> 2009, <span word="the">the</span> <span word="academy">academy</span> <span word="took">took</span> <span word="the">the</span> <span word="lead">lead</span> <span word="in">in</span> <span word="China">China</span> <span word="in">in</span> <span word="developing">developing</span> <span word="a">a</span> <span word="rocket">rocket</span> <span word="booster">booster</span> <span word="engine">engine</span> <span word="for">for</span> <span word="the">the</span> <span word="Long">Long</span> <span word="March">March</span>-11. <span word="The">The</span> <span word="previous">previous</span>-<span word="generation">generation</span>, <span word="covered">covered</span> <span word="with">with</span> <span word="a">a</span> <span word="steel">steel</span> <span word="shell">shell</span>, <span word="was">was</span> 2 <span word="meters">meters</span> <span word="in">in</span> <span word="diameter">diameter</span>, <span word="capable">capable</span> <span word="of">of</span> 120 <span word="tonnes">tonnes</span> <span word="of">of</span> <span word="thrust">thrust</span> <span word="and">and</span> <span word="could">could</span> <span word="carry">carry</span> 35 <span word="tonnes">tonnes</span> <span word="of">of</span> <span word="fuel">fuel</span>.</p><p><span word="To">To</span> <span word="increase">increase</span> <span word="its">its</span> <span word="carrying">carrying</span> <span word="capacity">capacity</span> <span word="and">and</span> <span word="market">market</span> <span word="competitiveness">competitiveness</span>, <span word="the">the</span> <span word="new">new</span> <span word="booster">booster</span> <span word="is">is</span> <span word="made">made</span> <span word="using">using</span> <span word="filament">filament</span> <span word="winding">winding</span> <span word="composite">composite</span> <span word="material">material</span>, <span word="which">which</span> <span word="is">is</span> <span word="better">better</span> <span word="and">and</span> <span word="can">can</span> <span word="be">be</span> <span word="applied">applied</span> <span word="more">more</span> <span word="widely">widely</span> <span word="than">than</span> <span word="a">a</span> <span word="metal">metal</span> <span word="shell">shell</span>, <span word="said">said</span> <span word="Wang">Wang</span> <span word="Jianru">Jianru</span>, <span word="chief">chief</span> <span word="designer">designer</span> <span word="of">of</span> <span word="the">the</span> <span word="booster">booster</span>.</p><p><span word="The">The</span> <span word="successful">successful</span> <span word="tests">tests</span> <span word="mark">mark</span> <span word="a">a</span> <span word="milestone">milestone</span> <span word="in">in</span> <span word="developing">developing</span> <span word="a">a</span> <span word="more">more</span> <span word="efficient">efficient</span> <span word="booster">booster</span> <span word="engine">engine</span> <span word="with">with</span> <span word="cost">cost</span> <span word="advantage">advantage</span> <span word="for">for</span> <span word="China">China</span>'<span word="s">s</span> <span word="new">new</span>-<span word="generation">generation</span> <span word="rocket">rocket</span>, <span word="according">according</span> <span word="to">to</span> <span word="the">the</span> <span word="design">design</span> <span word="team">team</span>.</p>
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