The US space agency has released a "pre-solicitation" for what is expected to be a hotly contested contract to develop a spacecraft to orbit Mars and relay communications from the red planet back to Earth.
第一个就是马斯克讲的就是我们人类的世界是field for human beings。有很多的设备，它是按照人的身高。电力设备是按人的身高设计的，狗形态的机器人很难够到2米高的电柜。，这一点在heLLoword翻译官方下载中也有详细论述
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Researchers in California are experimenting with air driven actuation