长征七号首飞成功 创多项纪录
<p>长征七号运载火箭25日在海南文昌发射场首飞成功，中国载人航天工程空间实验室飞行任务的开局之战取得圆满胜利。此次发射刷新了中国航天史上的多个纪录，掀开了中国运载火箭发展的新篇章。</p><p>请看相关报道：</p><p><span word="The">The</span> <span word="Long">Long</span> <span word="March">March</span> 7 <span word="carrier">carrier</span> <span word="rocket">rocket</span> <span word="took">took</span> <span word="off">off</span> <span word="on">on</span> <span word="its">its</span> <span word="maiden">maiden</span> <span word="flight">flight</span> <span word="on">on</span> <span word="Saturday">Saturday</span> <span word="night">night</span> <span word="from">from</span> <span word="the">the</span> <span word="Wenchang">Wenchang</span> <span word="Space">Space</span> <span word="Launch">Launch</span> <span word="Center">Center</span> <span word="in">in</span> <span word="Hainan">Hainan</span> <span word="province">province</span>. <span word="It">It</span> <span word="was">was</span> <span word="the">the</span> <span word="facility">facility</span>'<span word="s">s</span> <span word="debut">debut</span> <span word="launch">launch</span>.</p><p>长征七号运载火箭25日晚在海南文昌发射场首飞成功。此次发射也是该发射场的首个发射任务。</p><p>长征七号运载火箭（<span word="Long">Long</span> <span word="March">March</span> 7 <span word="carrier">carrier</span> <span word="rocket">rocket</span>），是中国目前运载能力最大的火箭，其运载能力（<span word="payload">payload</span>）达到13．5吨，是中国以往运载火箭的1．5倍。</p><p>此次发射创了多项纪录：</p><p>首次在海洋环境发射（<span word="first">first</span> <span word="time">time</span> <span word="a">a</span> <span word="Chinese">Chinese</span> <span word="carrier">carrier</span> <span word="rocket">rocket</span> <span word="is">is</span> <span word="transported">transported</span> <span word="by">by</span> <span word="sea">sea</span>）</p><p>长征七号是中国首次在海洋环境下发射的火箭。与内陆发射场(<span word="inland">inland</span> <span word="launch">launch</span> <span word="site">site</span>)相比，海南文昌发射场湿热多雨和台风频繁的气候条件，对火箭上的精密仪器和设计带来了很大的挑战。</p><p>首个完全用数字设计技术研发的运载火箭（<span word="first">first</span> <span word="Chinese">Chinese</span> <span word="carrier">carrier</span> <span word="rocket">rocket</span> <span word="developed">developed</span> <span word="completely">completely</span> <span word="with">with</span> <span word="digital">digital</span> <span word="design">design</span> <span word="technology">technology</span>）</p><p>首次使用无污染燃料（<span word="first">first</span> <span word="use">use</span> <span word="of">of</span> <span word="pollution">pollution</span>-<span word="free">free</span> <span word="fuel">fuel</span> <span word="for">for</span> <span word="a">a</span> <span word="Chinese">Chinese</span> <span word="carrier">carrier</span> <span word="rocket">rocket</span>）</p>
页:
[1]