Engineering NASA’s Return to the Moon These engineers developed and tested Space Launch System software that will tell the rocket how to operate for the first 8 minutes of Artemis during launch and ascent.
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“用简单的话回答他的问题超越了我的能力，我只好说，道义上，侵略是错的，这个问题没什么好争的。但要理解这场悲剧，只有道德判断是不够的。”
有感而发：这个作者在使用“侵略”这个词的时候，就已经选择了立场，接下来只是为这个立场构筑合理的解释。
乌克兰悲剧何以至此-王文勇-财新博客-财新网
March 9, 2022 at 01:07PM
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3.6 Billion Years in Pastel Colors The Pilbara in northwestern Australia exposes some of the oldest rocks on Earth, over 3.6 billion years old.
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晚安哦