| 1. | The need for larger and better gratings became apparent . 对更大、更好的光栅的需求变得突出起来。 |
| 2. | Many of the roofs were so full of holes that they looked like gratings . 许多屋顶千穿百孔,象筛子一样。 |
| 3. | Both are polymer replicas of master gratings 两个都是标准光栅的聚合物复制品。 |
| 4. | Shipbuilding . external scuppers . oval gratings 造船工业.外部排水口.椭圆形格栅 |
| 5. | Shipbuilding . external scuppers . circular gratings 造船工业.外部排水口.圆形格栅 |
| 6. | We offer ruled and holographic diffraction gratings 我们提供常规和全息衍射光栅。 |
| 7. | Burglar resistant gratings - requirements and test methods 防盗栅栏.要求和试验方法 |
| 8. | The basic parameters of the plane - gratings spectrographs 平面光栅摄谱仪基本参数系列 |
| 9. | Numeric method of the multitask gratings in the icf system 系统多用途光栅的分析模拟 |
| 10. | Tunable fiber laser based on fiber gratings 基于光纤光栅的可调谐光纤激光器 |