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美国免费管影视 Free American Tube Videos
美国免费管录像 Free American Tube Videos
免费的美国管翻译公司 Free American Tube Videos
美国免费电话公司 America Toll Free Inc
美国最受欢迎的报纸网站今天宣布，免费在线新闻时代即将结束。
America's most popular newspaper website today announced that the era of free online journalism is drawing to a close.
美国宇航局免费发射立方体卫星以供教育和研究之用。
NASA offers to launch CubeSats free of charge for educational and research purposes.
美国宇航局的纳米卫星教育发射计划为教育团体和科学任务提供免费发射卫星的机会，其现在也对非营利性公司开放。
The NASA Educational Launch of Nano Satellite program, which offers free launches for educational groups and science missions, is now open to nonprofit corporations as well.
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