If you search for 'digital cameras,' for example, you get the option to narrow your search by number of megapixels, optical zoom, or brand.
比如你在搜索数码相机时，你可以根据像素、光学变焦和品牌等对产品进行筛选。
The weapon operator search and locate the target using a periscope optical sight (7km range) in day light, or a thermal imager at night or in bad weather conditions.
武器操作员在白天亮光下使用一个潜望镜白光瞄准镜（7公里范围）或在不良天气条件或夜间使用热成像去搜寻和定位目标。
The position loop use optical encoder as the feedback element. It is used to search and track the target.
位置回路采用光电编码器作为反馈元件，完成对目标的搜索、跟踪。
According to the superiority of an infrared search and track system in modern wars, a method for designing a catadioptric infrared optical system is proposed.
针对红外搜索与跟踪系统在现代战争中体现出的优势和重要性，提出了一种折反式红外光学系统设计方法。
In order to search for an effective multi-band optical interference approach, the foam as a new environmentally friendly long effective wide band interference medium was studied.
为寻求光学多波段干扰的有效途径，研究了泡沫这种新型环保长效的宽波段干扰介质。
The growing interest for the use of integrated optical (IO) amplifiers in optical fiber telecom has led to deep search for ever better rare-earth-doped glassy materials.
将集成光学放大器用于光纤通信系统中是人们越来越感兴趣的课题，由此导致人们寻找与此相适应的稀土掺杂玻璃材料。
The invention also relates to the adopted device, can more quickly search polarization maintaining optical fiber azimuth to increase axle fixing speed and precision.
本发明还涉及所述方法所采用的装置，可以更加快速的搜索到保偏光纤的所在方位角，从而提高定轴速度和定轴精度。
The invention also relates to the adopted device, can more quickly search polarization maintaining optical fiber azimuth to increase axle fixing speed and precision.
本发明还涉及所述方法所采用的装置，可以更加快速的搜索到保偏光纤的所在方位角，从而提高定轴速度和定轴精度。
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