5. 省译

* Generators used in production have no bar magnets. Instead electromagnets are used.

生产上用的发电机不用条形磁铁，取而代之的是电磁铁。（省译了 are used)

* The magnitude of the force is found to be inversely proportional to the distance between the conductors.

力的大小和导体间的距离成反比。（省译了 is found)

* The alpha rays proved to be charged electrically with a positive charge.

a射线原来是带有正电荷的。（省译了 proved)

责任编辑：admin