理论上,一个无摩擦力的,或者说是理想的机器,输入和输出的功相等,因此效率是1,或者说是100%。
In a theoretically frictionless, or ideal, machine, the work input and work output are equal, and the efficiency would be 1, or 100%.
理论上,一个无摩擦力的,或者说是理想的机器,输入和输出的功相等,因此效率是1,或者说是100%。
In a theoretically frictionless, or ideal, machine, the work input and work output are equal, and the efficiency would be 1, or 100%.
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