更多photoelectric例句

1. Or there may be an inelastic collision, when the photon hits an atom and knocks out an electron—the old photoelectric effect.
2. Two photoelectric robot machine guns followed each movement of the duelists.
3. He passed his hand rapidly over the photoelectric eye of the commo box.
4. Here's your photoelectric light key for room 2305 F. That's on the two hundred thirtieth floor.
5. When I went downstairs he followed me, quietly, and I could feel his wide photoelectric eye-cells upon my back.