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The upper arm prosthesis system is a complex man-machine system.
上臂假肢系统是一个复杂的人一机系统。
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A naval ship electric propulsion unit is a complex ship-machine-electricity system.
舰船电力推进是一个复杂的船—机—电系统。
youdao
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A naval ship electric propulsion unit is a complex ship-machine-electricity system.
舰船电力推进是一个复杂的船—机—电系统。
youdao