例句與造句

1. A holographic portrait of Dennis Gabor was produced in 1971 using a pulsed ruby laser.
2. It used a pulsed ruby laser operating at 694.3 nanometers and 200 millijoule pulses of 10 nanoseconds duration.
3. It's difficult to find pulsed ruby laser in a sentence. 用pulsed ruby laser造句挺難的