In February 2008, U.S. destruction of a crippled U.S. spy satellite demonstrated that space may emerge as the new contested domain between the great powers.
2008年2月，美国摧毁一颗(己方)失灵的间谍卫星，表明太空正成为两个大国之间争夺的新领域。
The Internet is a development of very active domain, its open features cause facing destruction and network attacks may is multifaceted. So protect data and transmit, processing is very necessary.
因特网是一个开展十分活泼地范畴，开放性地收集招致收集所面对地毁坏和进犯可能是多方面地，因而维护数据及其传送、处置都长短常需要地。
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