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Servo is a small device that has an output shaft.
舵机就是一种有输出轴的小传动装置。
youdao
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It is a small device that you move around on a flat surface in front of a computer.
它就是你在电脑前，在平面上移动的小型硬件设备。
youdao
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It is a small device that you move around on a flat surface in front of a computer.
它就是你在电脑前，在平面上移动的小型硬件设备。
youdao