However, with the economic development and the improvement of people's living standards,my hometown has taken on a brand new look. First of all, compared to limited choices on daily diets ten years ago, more and more nutritious foods have...
How has this speed of communication changed the world? To many people,the world has become smaller. Of course this does not mean that the world is actually physically smaller. It means that the world seems smaller. Two hundred years ago,communication between the continents took a long time. ...
根据第一段SpaceX and OneWeb,a communications firm,plan to launch satellites in their thousands,not hundreds.The pair are set to double the total number of satellites in orbit by 2027.SpaceX and OneWeb计划发射数千上万颗近地轨道卫星将使轨道上卫星总数量增加一倍。可知,LEO卫星预计将大量增加,故...
The cameras of the Voyager II spacecraft detected six small, previously unseen moons circling Uranus,which doubles to twelve the number of satellites now known as orbitingthe distant planet 选项: A、which doubles to twelve the number of satellites now known as orbitingdoubling to twelve the number...
Partners in this endeavour included Airbus and Thales, Europe’s largest manufacturers of satellites. “In space, you can’t use commercial devices because the environment is very aggressive,” said Lepape. “You have a lot of radiation, very cold temperatures and vibration.” Space electronics ...
Because launching space vehicles is about to become very much cheaper, the number of satellites is likely to go up exponentially. There’s lots of space up there so we could have millions of them. And if you have millions of low-orbit satellites you can establish a global communications ...
如: telegram n. 电报 telephone n. 电话 telecommunication n. 电信 2. 前缀“under-”, 表示“在……之下,不够”。如: underline v. 在……下画线,强调 underground adj. 地下的 underestimate v. 低估 Text-Related Exercises Complete the following sentences by using words with affixes of“tele- ”...
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employs language that refers to humans as an “invasive virus,” a “plague,” or even a “problem” that needs to be resolved. This is an argument that betrays a desire to bring death at a large scale, to eliminate human beings in search of some utopian small number of sustainable ...
While Earth is the only planet known to support life, surely the adaptive ability of humans would allow us to live on other planets. It is true that the lifestyle would be different, but human life and cultures have adapted in the past and surely could in the future. ...