Aura Spectro-Photo-Meter 气场分析仪
diffuse reflection photo meter 漫反射光度计
photo-cell illumine meter 光电池照度计
Then, the most important part, design a system for dust mass concentration measurement based on photometer measurement.
进而设计光度计法的粉尘质量浓度测量系统。
参考来源 - 基于光度计法的粉尘质量浓度测量系统的研究与开发Calibration methods for sun-photometer are discussed. A set of experimental system of sun-photometer is built and a curve diagram of direct solar radiation changes in one day of Xi’an area is surveyed.
讨论了仪器标定的方法,构建一套太阳光度计的实验系统,观测西安地区一天内的太阳直接辐射变化曲线,实验验证结果与实际情况吻合。
参考来源 - 便携式带通太阳光度计的系统设计·2,447,543篇论文数据，部分数据来源于NoteExpress
以上来源于: WordNet
N an instrument used in photometry, usually one that compares the illumination produced by a particular light source with that produced by a standard source 光度计 → see also spectrophotometer
A multi wave length photo electric laser power meter of the utility model relates to a testing various wave lengths laser power dynamometer in the laser technical field.
一种多波长光电激光功率计，属于激光技术领域中涉及的一种能测试多种波长激光器功率的功率计。
The technical problem solved by the utility model is to provide a multi wave length photo electric laser power meter.
本实用新型要解决的技术问题是：提供一种多波长光电激光功率计。
This photo is taken at the top of the 83-meter-high Rock fort-the only outcrop in the otherwise flat land of the city of Trichy in Tamil Nadu, India.
这张照片拍摄于印度泰米尔纳德邦特里奇城83米高的石头堡垒顶部——此地一片平坦中唯一一块突出的高地。
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