蓋茨基金會在聲明中表示：「比爾坦率地發言，詳細回答了多個問題。」
"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.
。同城约会是该领域的重要参考
Emer MoreauBusiness reporter，更多细节参见safew官方版本下载
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