a circular orbit around the Earth having a period of 24 hours

boeing has built one third of the approximately 250 satellites in geosynchronous orbit today.

据悉，全球发射的约250枚地球同步轨道卫星中，有三分之一是波音公司生产的。

a manmade volcano erupting continuously to shade the earth until greenhouse gas levels in the atmosphere are brought down. thousands of mirrors boosted into geosynchronous orbit to block sunlight.

利用人造火山不断地喷发，以便使地球处于阴凉之下直到大气中温室气体的水平下降；

after a communication satellite reaches its geosynchronous orbit position, it is desirable to get the in-orbit data of satellite communication payload-transponder.

当卫星发射定点后，必须对在轨卫星通信有效载荷（即转发器）的性能进行测试。

the channels are broadcast from satellites in geosynchronous orbit above north america.

该频道播出从地球同步轨道卫星北美上空。

the charge accumulation phenomenon on the surfaces of a spacecraft at a high altitude or geosynchronous orbit would appear.

处于空间电环境条件下的航天器表面会出现电荷积累，形成高的电势值。

the prime space plasma environment of the satellite and its antenna in the geosynchronous orbit and low altitude polar orbit is introduced.

论述了卫星天线的主要电环境：地球同步轨道和低高度极轨空间环境；

the benefit of geosynchronous orbit is thatit allows sdo to almost constantly face the sun, collecting scads of data andbeaming the results continuously back to mission control.

地球同步轨道的好处是能够让sdo几乎一直朝向太阳，收集大量数据并将结果持续传回地面指挥中心。

once completed, it will be the country「s fourth satellite launch centre and replace the xichang satellite launch centre (xslc) for geosynchronous orbit (geo) and other space launch missions.

一旦建成，这将成为中国第四个航天发射场，代替西昌卫星发射中心，成为发射地球同步轨道卫星和其它航天飞行器的主发射场。

according to the error cross section versus let curve, bit upset rate of 80c31 on geosynchronous orbit is estimated.

根据试验结果，对器件在同步轨道重离子环境中的翻转率进行了预计。

lockheed martin engineers work on the second space based infrared system (sbirs) geosynchronous orbit (geo-2) spacecraft at lockheed martin」s facilities in sunnyvale, calif.

洛克希德马丁公司的工程师们第二个天基红外系统（sbirs-2）地球同步轨道卫星（全球环境展望2）的工作。

the architecture for this system eventually foresees using five satellites in geosynchronous orbit (geo) and up to 30 non-geo platforms.

这个系统的架构最终预计用上位于地球同步轨道和多至30 颗非同步轨道平台上的5 颗卫星。

it is now in geosynchronous orbit undergoing rigorous testing and is expected to begin service in the first quarter of 2008.

目前，它正在与地球相对位置不变的轨道接受严格的测试，希望2008年第1季度提供服务。

building one would mean lowering a cable from a satellite in a geosynchronous orbit above the earth's equator while deploying a counterbalancing cable out into space.

建造这样一个设备将意味着，会架设一条在地球同步轨道卫星下方，地球赤道上方的电缆，同时还可以在太空中有效利用这个对重平衡电缆。

it used to be that commercial space transportation was almost exclusively about launching communication satellites into geosynchronous orbit using expendable launch vehicles.

过去，商业太空运输几乎专指用一次性运载火箭将通信卫星送入地球同步轨道。