Some 250 commercial and military satellites now orbit in the lowest altitudes, according to the Satellite Industry Association, and most of them are defenseless against the radiation that would be released by a high-altitude atomic burst.
英
美
数目不断增加的人造卫星为我们提供通讯、导航、无线与有线电视,以及地面摄影与天气预报等服务。
单词 Some 250 commercial and military satellites now orbit in the lowest altitudes, according to the Satellite Industry Association, and most of them are defenseless against the radiation that would be released by a high-altitude atomic burst. 的词典定义。@海词词典-最好的学习型词典
以上内容独家创作,受
著作权
保护,侵权必究
今日热词
相关词典网站:
牛津高阶第八版
美国韦氏词典
Dictionary.com
Free Dictionary
维基百科 (自由的百科全书)
目录
附录
音标说明
查词历史
海词
权威词典
翻译
英 汉
|
汉语
|
上海话
广东话
缩略语
人名