以目标轨道面倾角最大为优化性能指标,获得了升力和滚转角的最优控制规律。
The optimization performance index is to maximize the orbital plane change, and the optimal lift and bank control law are obtained.
这种方法以稳定流形理论为基础,通过设计合适的控制器将混沌系统引至目标轨道,使混沌得以控制和同步。
Based on the stable manifold theory, the chaotic system will be controlled and synchronized if it is guided to the desired target by designing a suitable controller.
目标是测量AU;随后,当我们知道了所有围绕太阳的其他行星的轨道速度,对太阳系的规模就有充分的认识了。
The goal was to measure the AU; then, knowing the orbital speeds of all the other planets around the Sun, the scale of the Solar System would fall into place.
其实这样是在走弯路,因为他们到你的生命中引诱你去抄近路,你奔向自己的目标,但这些捷径,只会让你偏离轨道。
These are the detours that come in life that tempt you to try to cut corners as you run toward your goals but these shortcuts will only get you off track.
这位发言人说,两项工作都是重点,董事会关注的目标也没有变化,依旧是将雅虎带回到强劲增长的轨道,并向股东回报价值。
'Both remain important priorities and the Board remains focused on its goal of returning the Company to a path of robust growth and returning value to shareholders,' he said.
其中之一是将小卫星发射到低地球轨道构成卫星星座,以便能提供对目标的持续覆盖。
One calls for launching microsatellites into low Earth orbit in constellations that would provide continuous target coverage.
她敦促这些家庭设立两个目标:让孩子在没有补贴的情况下生活,并把他们推上职业轨道。
She urges families to set two goals: get children living without subsidies and put them on a career track.
报告的完整版本将提供对摘要报告里的五个方案的详细比较——其中包括一项以在最终完成火星轨道飞行为目标的计划。
The full version will provide a detailed comparison of the five options presented in the summary report – including one plan that would culminate in a trip to Mars orbit.
它要求中央银行需随着价格偏离预期轨道而反复更改未来通胀目标。
It would require a central bank repeatedly to alter its goal for future inflation as prices deviated from the desired path.
当你设定有形目标时,做好准备迎接挫折,这样就能更容易地留在既定轨道上并保持动力。
When you set tangible goals, and prepare for setbacks, it's far easier to stay the course and keep motivated.
太空护栏将通过探测中低地球轨道的小型目标提供持续的网络中心态势感知。
Space Fence will provide continuous, net-centric space situational awareness by detecting smaller objects in low and medium earth orbit.
通过本《战略》目标,联邦铁路局建议对与轨道客运服务相关的最大运营速度,以及上述其他因素予以分门别类的定义。
Through this strategy, FRA proposes to define categories or "tiers" of rail passenger service tied to maximum operating speeds and the aforementioned factors.
这些精明的目标发现间谍卫星(有可预见的轨道)位临上空时,能够知道如何隐蔽自己。
One theory is that it is a spy plane, designed to catch savvy targets that know how to go to ground when spy satellites—which have predictable orbits—are overhead.
印度于2008年将“月球飞船1号”太空飞行器送入了月球轨道,目标是用其搭载的NASA(美国国家航空和航天管理局)探测仪器确认月球上是否有水的存在。
India put the Chandrayaan 1 spacecraft into lunar orbit in 2008, a mission with a NASA payload that helped confirm the presence of water on the moon.
随着2009年二季度真实GDP增长率达到7.9%,中国看似已经在通往年度目标8%的既定轨道上了。
With real GDP growth having reached 7.9% year on year in the second quarter of 2009, China already appears on course to achieve the government’s aim of 8% average growth this year.
这一切都让美国难以实现其“太空快速反应”(operationally responsive space)的目标:快捷而便宜地将卫星送上轨道的能力。
All this makes it hard for America to achieve its goal of "operationally responsive space" : the ability to place satellites in orbit quickly and inexpensively.
旅行者1号,它探索的目标只有木星和土星,然后沿快速轨道直接飞向深空,它现在离太阳大约17000000000公里。
Voyager 1, which explored only Jupiter and Saturn before heading on a faster track toward interstellar space, is about 17 billion kilometers (11 billion miles) away from the sun.
但2010TK 7可能不会被选为目标星体,因为它的行进偏离地球轨道平面的距离过大,使得抵达它需要耗费大量燃料。
TK7 is probably not the rock of choice, simply because it travels too far above and below the plane of Earth's orbit, which would require a lot of fuel to reach it.
在飞行轨道三分钟后(距目标大约1400里),EKV就会和GBI分离。
Three minutes into its flight (approximately 1, 400 miles from its target), the EKV will separate from the GBI.
然而有别于中国实验的是美国的目标卫星的飞行轨道较低,从而所产生的残骸会在落入大气层后迅速燃烧。
Unlike the Chinese test, though, the American target was in such a low orbit that any debris would quickly have fallen into the air and burned up.
罗梅尼女士上任后的第一个挑战可能就是要说服这些怀疑者公司一切都在轨道上,能够顺利达成2015年的目标。
Ms Rometty may find her first challenge as boss to be convincing doubters that everything is on track to meet those 2015 goals.
飞行器需要首先识别目标,然后调整自己的轨道进行抓取。
Aircraft need to first identify the target, then adjust their orbit for fetching.
黄金轨道上,击中附近的1825水平的目标阻力。
Gold is on track to hit target resistance near the 1825 level.
图释:美国太空总署行政长官查尔斯·博登称这次预算将使美国太空总署能够将目光投向地球轨道外的目标。
NASA Administrator Charles Bolden says the budget "enables NASA to set its sights on destinations beyond Earth orbit."
渡过这段时期、回到理想世界的”轨道“上也许不容易做到,但是如果你给自己定下了大的目标(以及哪些包括帮助别人的目标),那么你通常都能做到。
Getting through it and back on track to your ideal world may not be easy, but if you've set big goals for yourself (along with goals that involve helping others), you can usually make it happen.
本文介绍了上海轨道交通8号线车辆项目管理的背景以及项目风险目标和评估范围。
This article presents the background of vehicle project management for Line 8, Shanghai Rail Tranist, project risk target and scope of evaluation.
本文介绍了上海轨道交通8号线车辆项目管理的背景以及项目风险目标和评估范围。
This article presents the background of vehicle project management for Line 8, Shanghai Rail Tranist, project risk target and scope of evaluation.
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