| 1. | The gas is heated by photoionization .
气体是由光致电离加热的。 |
| 2. | Riddle : what is dark but made by light
谜面：什么东西是黑暗的但却是由光制造的？ |
| 3. | Each color of the rainbow has some definite frequency
光的颜色是由光的频率所决定。 |
| 4. | 3 what is dark but is made by light
什么东西由光引起，但本身却是暗的？ |
| 5. | What is dark but is made by light
什么东西由光引起，但本身确实暗的？ |
| 6. | What is dark but made by light
由光形成的什么东西是暗的 |
| 7. | Wavelength allocation in star - shaped wavelength - routed optical networks
星形波长路由光网络中的波长分配 |
| 8. | Wavelength assignment algorithms of wdm wavelength routing optical network
Wdm波长路由光网络的波长分配算法 |
| 9. | Chemical decomposition induced by light or other radiant energy
光分解，光解作用由光或其它光源引起的化学分解 |
| 10. | It primarily consists of optic paths and photoelectric circuits
整个系统主要由光路与光电转换电路两部分组成。 |
