国际电信联盟保留了1400- 1427MHz范围内的特殊无线电频段，亦称L -频段，特别供地球探测卫星和太空天文使用。
The International Telecommunications Union reserves a special radio band in the 1400-1427 MHz range, called the L-band, especially for Earth-observing satellites and space astronomy.
由于月球阻碍了与探测器的直接无线电通信，中国首先必须把一颗人造卫星送入月球轨道上的一个点，人造卫星可以从那里向航天器和地球发射信号。
Because the moon's body blocks direct radio communication with a probe, China first had to put a satellite in orbit above the moon in a spot where it could send signals to the spacecraft and to Earth.
这两枚欧洲宇航局建造的卫星将探测太阳和地球之间如何进行相互作用。
The satellites, built by the European Space Agency (ESA), will look at interaction between the sun and the Earth.
最近食尸鬼的牺牲品似乎就是“福布斯-土壤”探测器了，这是一项俄罗斯试图把福布斯(火星两颗卫星中的较大的一颗)的岩石样本带回地球的宏伟计划。
The ghoul's latest victim appears to have been Phobos-Grunt, an ambitious Russian mission that was intended to return to Earth with a rock sample from Phobos, the larger of Mars's moons.
此卫星将通过2个探测器从地球上的56000个取样点收集数据。
It will gather data from 56, 000 points around the globe with two detectors.
该卫星将于地球上56,000处观测点利用两个探测器收集数据——其中的一个是光谱仪，测量从地球表面反射的阳光。
It will gather data from 56, 000 points around the globe with two detectors. One is a spectrometer that measures sunlight reflected from the Earth's surface.
与此同时，该卫星还通过研究恒星表面发生的星震来探测其内部情况，正如地质学家研究地震来了解地球的内部构造。
Thespacecraft is also probing the interiors of stars by studying starquakes ontheir surfaces—in much the same way that geologists learn about the Earth'sinterior by studying earthquakes.
该卫星将于地球上56,000处观测点利用两个探测器收集数据——其中的一个是光谱仪，测量从地球表面反射的阳光。
It will gather data from 56,000 points around the globe with two detectors. One is a spectrometer that measures sunlight reflected from the Earth's surface.
该卫星携带一台被动无线电波探测器，可以捕获地球表面发出的微波辐射。
The satellite carries a passive radiometer that captures the microwave radiation emanating from the Earth's surface.
卡西尼号探测器从几十亿公里以外的太空将土星和其卫星的壮观影像不断传回地球来。
From a billion miles away, the Cassini spacecraft continues to send spectacular images of Saturn and its moons.
从1972年起，地球资源探测卫星就从太空中收集着有关地球的信息。
The Landsat satellites have collected information about Earth from space since 1972.
NASA地球大观图片由罗伯特·西蒙用美国地质调查局的地球资源探测卫星提供，文字说明由奥利·里贝克编纂。
NASA Earth Observatory image created by Robert Simmon using Landsat data provided by the United States Geological Survey. Caption by Holli Riebeek.
两枚将探测太空天气情况的欧洲卫星终于进入绕地球运行轨道，4年前第一次发射时因运载火箭爆炸而失败。
Two European satellites that will study the weather in space are finally orbiting the Earth four years after a first launch attempt ended in disaster when a carrier rocket blew up.
人造卫星使用了强有力的相机，这种相机可以精确的探测到地球表面3英尺以内的物体。
The satellites used powerful cameras that can pinpoint objects less than three feet long on Earth's surface.
在地球资源探测卫星的提名中这样写道：“在同时期里(1972- 1992)，如些规模的地球图片记录是独一无二的。”
As stated in the Landsat nomination: "There is simply no other image record of the Earth's land regions at this scale or over the same period of time (1972-1992)."
典型的月球探测器飞行轨道包括地球停泊轨道段、地月转移轨道段、月球卫星轨道段和着月轨道段。
A typical orbit of lunar probe includes earth parking orbit segment, earth-moon transfer orbit segment, lunar satellite orbit segment and moon-landing orbit segment.
地球资源卫星非常清楚地探测地球表面的地貌。
The Landsat satellite detects lineaments on the earth's surface very clearly.
分析了月球探测轨道设计与地球卫星的区别，给出了一些最基本的设计原则。
Some basic principles for orbit design of lunar probes are discussed while compared to launching the satellite around the earth.
这些最初的地球卫星发射的成果引发了探索月球和太阳系内行星的行星际探测器的研制。
The results of these first Earth satellite launches were the genesis of the development of interplanetary stations to investigate the Moon and planets of the Solar System.
卫星重力探测技术可获取全球均匀覆盖的地球重力场信号。
The global homogeneously covering gravity single can be collected by satellite gravity techniques.
相比探测器，卫星可以或许俯瞰整个海洋。并且如果经过适当调配，可以绘制出海水使地球磁场发生偏移的体式格局。
Satellites, however, can look at the whole ocean—and, if they are properly equipped, can plot ways in which Earth's magnetic field is deflected by seawater.
他们看到的可能是气象探测气球、地球卫星、流星或是其他东西。
They may have seen a weather balloon, a satellite, a meteor or something.
目前，气象卫星已经成为地球大气探测系统中的主要成员，而卫星气象学则正在覆盖地球系统科学中的主要方面。
At present, the meteorological satellite plays the most important role in the earth-atmosphere monitoring system, whereas satellite meteorology is a very active field in the earth science.
描述了对FY-1气象卫星扫描辐射计所探测的五通道地球信号进行星上实时数字预处理的方法。
This paper describes a method of on-satellite real-time digital pre-processing for the five-channel earth signal detected by FY-1 Meteorological Satellite Scanning Radiometer.
描述了对FY-1气象卫星扫描辐射计所探测的五通道地球信号进行星上实时数字预处理的方法。
This paper describes a method of on-satellite real-time digital pre-processing for the five-channel earth signal detected by FY-1 Meteorological Satellite Scanning Radiometer.
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