1) луч; пучок || излучать(ся); облучать
2) траектория
3) матем. луч, полупрямая
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- alpha particle rays
- alpha rays
- anode rays
- anticrepuscular rays
- beta rays
- canal rays
- cathode ray
- cosmic ray
- crepuscular rays
- direct ray
- extraordinary ray
- gamma ray
- generating ray
- geodesic ray
- ground ray
- incident ray
- indirect ray
- infrared rays
- invisible rays
- laser ray
- Lenard rays
- light ray
- molecular ray
- obscure rays
- ordinary ray
- projecting ray
- reflected ray
- refracted ray
- Roentgen rays
- space rays
- sun rays
- ultraviolet rays
- visible rays
- X rays