Philo had invented the special camera tube earlier that year.

这一年初，菲罗发明了这种特殊的影像管。

youdao

Philo decided that such a device would have to be electronic, not mechanical.

菲罗认为这样的装置必须是电子的，而非机械的。

youdao

Philo decided that such a device would have to be electronic, not mechanical.

菲罗认为这样的装置必须是电子的，而非机械的。

youdao