Virgin Galactic's WhiteKnightTwo/SpaceShipTwo launch system is still in testing and she says it is up to them when they decide it is safe to fly tourists to the edge of space.

维京银河系的发射系统目前仍在检测，她说直到他们觉得安全了才会载着游客在太空中翱翔。

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One of its more glamorous uses as an embedded operating system is to power the in-flight entertainment systems on some Virgin and Qantas long-haul jets.

更妙的是，它还被用于维京航空和澳洲航空长途航班的空中娱乐系统。

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In addition, the stratum where underground mining exits virgin stress, which affects the stability of mining system directly and greatly during mining.

再加上地下采矿所在的地层存在着原始的地应力，对采矿过程系统的稳定性有着直接的和巨大的影响。

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Adam Baker of Surrey Satellite Technology, a British firm, knows a great deal about the economics of launching the kind of small satellites that Virgin's system might put into orbit.

ECONOMIST: Space

Virgin has apparently had this system in place since its US launch in 2007.

FORBES: Industry Concentration Can Retard Progress: Airlines Edition

It was also keen on a proposal to use Virgin's White Knight launch system to put satellites into low Earth orbit.

ECONOMIST: Space