Are there any free or paid resources that have been especially helpful for you in starting and running this business?
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。
，详情可参考爱思助手下载最新版本
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The new race to the MoonThe Global Story
"For a long time, roboticists have used DC [direct current] motors to make robots move," says Mike Tolley at the University of California San Diego.