您要查找的是不是：
- Double optical scaning 双光扫描
- Abstract： In all optical asynchronous CDMA communication system，multi-user interference and PIN dark current noise can be reduced by introducing double optical harder-limiters. 摘 要： 在全光异步CDMA通信系统中，引入两个光硬件限幅器是有效减小多用户干扰及PIN光电检测过程暗电流噪声的一种方案。
- In all optical asynchronous CDMA communication system，multi-userinterference and PIN dark current noise can be reduced by introducing double optical harder-limiters. 在全光异步CDMA通信系统中，引入两个光硬件限幅器是有效减小多用户干扰及PIN光电检测过程暗电流噪声的一种方案。
- The double optical fiber Bragg grating ultra thin structure senser had used a special structure shrapnel, and had buried two different Bragg wave length diffraction grating in sheet steel. 双光栅超薄结构探头中使用了一特殊结构的弹片，在弹片中埋入了两个不同布喇格波长的光栅。
- Abundant experimentation has been done using the system of displacement sensor based on double optical paths and plenty of data has been got that been used to demarcate and verify the sensor system. 结果表明：采用论文提出的结构并结合数学建模等补偿方法，提高了传感系统的测量准确性和稳定性；
- In practice，other noise in the system can be reduced by introducing double optical harder-limiters also，such as：APD shot noise，APD dark current noise，background light and thermal noise. 实际上，引入两个光硬件限幅器同样可以减小系统中的其他噪声：APD光电检测过程中的散粒噪声、暗电流噪声、背景光影响、消光比影响及热噪声。
- time-divided double optical paths 时间双光路
- double optical path-replacement method 双光路替换法
- He is working double tides to finish his essay. 他日夜苦干，赶写他的文章。
- Design of high-precision angle generator with double optical wedges 双光楔高精度角度发生器设计
- I do not realize it is a double feature. 我原先不知道这是双片连映。
- Double agents live in a perpetual state of fear. 两面派永远过着提心吊胆的生活。
- I want a double room with a view. 我要一间能看到风景的双人房间。
- He was so fat that he had a double chin. 他胖得有双下巴了。
- The carpet is too thick to double up. 这地毯太厚没法折叠。
- Is the material single width or double width? 这幅料子是单幅的还是双幅的？
- Reserve double room June fourth to tenth inclusive. 预订双人房间，六月四日至十日，共六晚，望订妥复电。
- In this case, I can double for penalty. 假如这样的话，我可以叫加倍了。
- Can you tell me the rate for a double room, please? 请告诉我一间双人房的费用可以吗？
- The soldiers came at the double. 士兵们是急行军来的。
