| 光纤通信 fibre-optical communication |
| 光线 light |
| 光线不足 insufficient light |
| 光线微弱 faint light |
| 光线成像 image formation by rays |
| 光线昏暗的房间 a dimly lighted room |
| 光线映照在他脸上 Light struck on his face. |
| 光线电话 phototelephony |
| 光线电话机 photophone |
| 光继电器 optical relay |
| 光缆 optical cable |
| 光缆连接器 optical connector |
| 光缆通信 optical cable communication |
| 光缺陷 optical defect |
| 光耀 brilliant light |
| 光耀夺目 dazzling glorious |
| 光耀祖宗 reflect glory on one's ances... |
| 光耀门庭 win honour and distinction f... |
| 光耀门楣 bring honour to the family n... |
| 光耦合 optical coupling |
| 光耦合器 photo-coupler |
| 光耦合电路 optically coupled circuit |
| 光聚作用 photopolymerization |
| 光聚合 photopolymerization |
| 光聚合物 photopolymer |
