Officials at the White House announced a new space policy focused on managing the increasing number of satellites that companies and governments are launching into space.
白宫官员宣布了一项新的太空政策，其重点是对各大公司和政府向太空发射的越来越多的卫星进行管理。
Our country launched a number of satellites in the 1980s.
80年代我国发射了多颗卫星。
They will bring to 18 the total number of satellites mapping Russian territory.
加上这三枚新发射的人造卫星，俄罗斯在太空的人造卫星数总数就将达18枚。
In order to limit the number of satellites required, these have to be launched to higher orbits.
为了减少卫星需求数，就需要把卫星发射到更高的轨道。
The Earth's orbit is getting crowded. The past few years have witnessed huge growth in the number of satellites.
过去数年，随着卫星数量的剧增，地球轨道日趋拥挤。
We also discuss the effect of GDOP with the number of satellites. It is also proved in theory that the lowest GDOP using the matrix theory.
讨论了卫星数量对GDOP的影响，并用矩阵理论对其最小值进行证明。
For the antenna of GPS receiver, it is usually subject to a number of satellites positioning signals, and mixed with one or more interference.
对GPS接收机的天线来说，通常要接受多个定位卫星的扩频信号，并掺杂着一个或几个多个干扰。
Although Russia can also launch the required number of satellites, the entire GLONASS cluster will not be equally effective as GPS satellites, and will not match their standards in the near future.
即使俄罗斯发射了足够数量的卫星，GLONASS系统也无法像GPS系统一样被有效的使用，而且在短时间内也无法达到GPS卫星的标准。
The telecommunications company also will help AFRTS reduce the number of entry points and fiber connections for its services and maximize efficiencies in the use of the satellites.
公司也将帮助AFRTS减少接入点和光纤连接的数量，最大限度地提高卫星使用效率。
The number of channels in emerging markets is rising so fast it is actually boosting the firms that own the satellites (see article).
新的电视频道正以惊人的速度在新兴市场不断涌现，受此影响，卫星电视领域的业绩也出现了增长。
Solar power satellites that have been manufactured on the moon will have been placed in orbit around a number of planets and moons, providing nearby planetary outposts with continuous electric power.
由月球制造的太阳能人造卫星将被安置在许多行星及其卫星的轨道上，成为这些星球的观察站，并以太阳光为能源连续不断地工作。
This year it will be four centuries since Galileo discovered Jupiter's four large satellites, at a stroke quintupling the number of moons then known to humanity.
今年距离伽利略发现木星的四颗大卫星整整400年，突然间人类发现了数倍于其数量的卫星。
NASA satellite Tracking offers users a number of options to track more than 2,500 satellites, the Space Shuttle and the International Space Station.
美国宇航局的人造卫星追踪页面给用户提供了许多选项，供用户追踪2500多颗卫星，另外用户也可追踪航天飞机和国际空间站。
On a significant number of occasions, satellites have picked up disturbances in this part of the atmosphere 100-600km above areas that have later been hit by earthquakes.
在很多情况下，卫星会发现在地震区域上空大气层的100- 600千米这部分空间内的因地震激发的电磁扰动现象。
With the appearance of the use of satellites, television reception improved and the number of programs receivable increased dramatically.
随着卫星使用的出现，电视接收情况有了改善，所能接受到的节目数量也大大增加。
LEO constellation composed of two or more satellites can improve the time and space resolution and increase the number of occultation events greatly compared with a single LEO satellite.
与单颗leo卫星相比，由多个卫星组成的LEO星座观测到的掩星事件在时空分辨率和数量上都有很大的提高。
The greatest advantage is the DBS only use limited 1 ~ 2 satellites, and can live to an unlimited number of family households collected television.
由于直播卫星的最大优势是只用有限的1 ~2颗卫星，就可以向无限数量的家庭户直播上百套电视节目。
The number of known satellites in the solar system rose to 32.
太阳系里已知的卫星数量增加到三十二个。
A number of China's rockets (Long March rockets) and satellites have been launched from the Xichang satellite launch Center.
中国的许多火箭(“长征”号系列火箭)和人造卫星都是从本省的西昌发射中心发射的。
It is complicated and difficult to recognize the satellites merely through stars' characteristics because the satellites traced are always surrounded by a large number of stars.
欲跟踪的卫星目标往往湮没在星海中，仅仅依据星体特征检测出目标往往很繁琐也很困难。
GPS's high precision, reliability and integrality depend on the number of available satellites and their geometrical distribution.
但GPS系统的精度、可靠性和完好性等都依赖于跟踪的可视卫星的数量和卫星的几何分布情况。
A LEO constellation composed of two or more satellites can improve the time and space resolution and increase the number of occultation events greatly compared with a single LEO satellite.
与单颗leo卫星相比，由多个卫星组成的LEO星座观测到的掩星事件在时空分辨率和数量上都有很大的提高。
A LEO constellation composed of two or more satellites can improve the time and space resolution and increase the number of occultation events greatly compared with a single LEO satellite.
与单颗leo卫星相比，由多个卫星组成的LEO星座观测到的掩星事件在时空分辨率和数量上都有很大的提高。
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