求翻译：美国先后成功发射两架X-37B轨道实验飞行器， 其中对所携带的新型HT高超音速无人机等多项关键技术进行了验证。据悉， 11都是美“全球快速打击系统”计划的重要组成部分，它们的成功标志高超音速时代已悄然来临。是什么意思？

United States has successfully launched two experimental aircraft X-37B Orbital, which carried on a new HT and many other key hypersonic UAV technology has been verified. It is reported that 11 is the United States' rapid global strike systems "plan an important part of their success has quietly mar

The US has successfully launched two X B - 37 tracks, of which the experimental aircraft carried by a hypersonic unmanned aircraft, such as new HT key technologies for the certification. It is reported that 11 is the US "global rapid combat system, an important part of the Program for the success of

US succeeded successively launches two X-37B track test vehicle, in which to the new HT hypersonic unmanned aerial vehicle which carried and so on many key technologies has carried on the confirmation.It is reported, 11 all is beautiful “the global fast attack system” the plan important constituent,

United States, has successfully launched two experimental aircraft X-37B track, which brought new HT Hypersonic unmanned aerial vehicles, and other key technology has been validated. It is reported that 11 is the US "global fast combat system" important components of the plan, they mark of success h

U.S.A. successively succeeded in launching two X-37B orbit experiment aircraft, among them carried on the verification to multiple key technology of new HT hypersonic unmanned aerial vehicle,etc. carried. It is reported, 11 is all beautiful important component of the plan that " the whole world atta