NEWS: SpaceShipOne Designer Burt Rutan retiring.
新闻：太空船一号设计师伯特·鲁坦退休。
SpaceShipOne is the world "s first private spacecraft, and is competing for a prestigious space travel prize."
“太空飞船一号”是世界上第一艘私人开发的太空飞船，它将角逐一项著名的太空飞行奖。
SpaceShipOne will fly 100km (62 miles) above the Earth"s surface, just breaking through the planet"s atmosphere.
“太空飞船一号”将会在距离地球表面100千米（62英里）的上空飞行，这个高度刚刚超出地球的大气层。
Virgin Galactic's second generation of craft are based on SpaceShipOne and White Knight, but with plenty of differences.
银河维京的第二代飞行器以“星船一号”和“白骑士”为蓝本，然而在很多地方有了改变。
The entire flight should last about 25 minutes once SpaceShipOne has been released from the White Knight carrier craft.
一旦“飞船一号”脱离运载飞机“白骑士”，整个飞行应该持续约25分钟。
GlobalFlyer was built by Scaled Composites, the same firm that designed and launched the world's first civilian manned spacecraft, SpaceShipOne, last year.
“环球飞行者”号是Scaled联合公司去年生产的，这家公司还设计开发了世界上第一艘民用载人飞船“太空飞船一号”。
The public showing was the first concrete evidence of progress since the Rutan-designed SpaceShipOne became the first private, manned rocket to reach space in 2004.
本次（“白骑士2号”）的公开亮相成为自2004年鲁丹设计的“太空一号”成为第一艘进入太空的私营载人火箭之后（在太空旅游领域）取得的又一次具体进展。
Mims explains that hybrid rocket engines do exist, notably in Virgin Galactic's SpaceShipOne spacecraft, but there are several sticking points for widespread adoption.
Mims解释道，混合动力火箭引擎的确存在，那就是维珍银河飞船1号(Virgin Galactic ' sSpaceShipOne)飞行器，不过在广泛投入使用之前还存在着一些关口未被突破。
Mims explains that hybrid rocket engines do exist, notably in Virgin Galactic's SpaceShipOne spacecraft, but there are several sticking points for widespread adoption.
Mims解释道，混合动力火箭引擎的确存在，那就是维珍银河飞船1号(Virgin Galactic ' sSpaceShipOne)飞行器，不过在广泛投入使用之前还存在着一些关口未被突破。
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