Twenty volunteers tested the system and most found it easy to navigate through icons on the forearm and tap fingers to actuate commands.

20个志愿者体验了这套系统，绝大多数认为找到并用手指点击手臂上的图标并触发指令很容易。

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Twenty volunteers tested the system and most found it easy to navigate through icons on the forearm and tap fingers to actuate commands.

20个志愿者体验了这套系统，绝大多数认为找到并用手指点击手臂上的图标并触发指令很容易。

youdao