| 光纖通信 fibre-optical communication |
| 光線 light |
| 光線不足 insufficient light |
| 光線微弱 faint light |
| 光線成像 image formation by rays |
| 光線昏暗的房間 a dimly lighted room |
| 光線映照在他臉上 Light struck on his face. |
| 光線電話 phototelephony |
| 光線電話機 photophone |
| 光繼電器 optical relay |
| 光纜 optical cable |
| 光纜連接器 optical connector |
| 光纜通信 optical cable communication |
| 光缺陷 optical defect |
| 光耀 brilliant light |
| 光耀奪目 dazzling glorious |
| 光耀祖宗 reflect glory on one's ances... |
| 光耀門庭 win honour and distinction f... |
| 光耀門楣 bring honour to the family n... |
| 光耦合 optical coupling |
| 光耦合器 photo-coupler |
| 光耦合電路 optically coupled circuit |
| 光聚作用 photopolymerization |
| 光聚合 photopolymerization |
| 光聚合物 photopolymer |
