例句與造句

1. Early models had a magic eye tube tuning indicator in front.
2. A magic eye tube is essentially an inexpensive uncalibrated ( and not necessarily meter.
3. The magic eye tube was the first in a line of development of cathode ray type tuning indicators developed as a cheaper alternative to the needle movement meters.
4. It's difficult to find magic eye tube in a sentence. 用magic eye tube造句挺難的