"Consider that an a engine is half as strong as a B engine, and so on," says engineering professor Marlow Moser.

“想想一个A发动机只有B发动机的一半效力，其他的以此类推，”工程教授马洛•莫泽说。

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"Consider that an a engine is half as strong as a B engine, and so on," says engineering professor Marlow Moser.

“想想一个A发动机只有B发动机的一半效力，其他的以此类推，”工程教授马洛•莫泽说。

youdao