1.
Many countries have sent up man-made satellites to circle the earth.
许多国家已经发射人造卫星围绕地球运转。
2.
It could re lease or re fuel satellites,move them to new orbits,or re place their hard ware and software.
它可以发射人造卫星或给卫星补充燃料，把卫星移动到新轨道上，或者更换它们的软件和硬件。
3.
high altitude launching satellite
高空发射的人造卫星
4.
This first satellite was today successfully launched in the USSR.
第一颗人造卫星今天在苏联成功发射。”
5.
The country blasted off another man-made satellite.
这个国家又发射了一颗人造地球卫星。
6.
Man-made satellites are used to send and receive TV programs.
人造卫星用来发射和接收电视节目。
7.
It's reported that China has sent up another man-made satellite.
据报道，中国又发射了一颗人造卫星。
8.
China has also sent up some man-made earth satellites.
中国也发射了几颗人造地球卫星。
9.
We have sent up another man made satellite this year.
今年我们又发射了一颗人造卫星。
10.
What sd the year when China first launchf her man - made satellite ?
中国首次发射人造地球卫星是哪一年?
11.
They will send up another man-made satellite next month.
下个月他们将发射另一颗人造卫星。
12.
Launch by the soviet in1957, the sputnik is the first satellite in the world.
苏联人在一九五七年发射的人造卫星是世界上的第一颗人造卫星
13.
an unmanned satellite to Mars.
发射到火星的无人卫星。
14.
"NASA also developed and launched various satellites with Earth applications, such as Landsat and communications and weather satellites."
NASA亦负责若干地球应用人造卫星之发展与发射,例如陆地卫星、通讯卫星和气象卫星。
15.
Redefining satellites Today's satellites are big and complex,which makes them costly to launch.
可升级卫星今天的人造卫星体积庞大、结构复杂，因此发射本很高。
16.
The Soviet Union put the first satellite into Earth orbit.
苏联发射了第一颗人造卫星进入地球轨道。
17.
It is reported that China has sent another man-made earth satellite into orbit.
据报道中国又成功地发射了一颗人造地球卫星。
18.
The first artificial satellite was fired off on October4, 1957.
第一颗人造卫星于1957年10月4日发射升空。