The key parameters of projection display, including resolution, contrast, projection optics, optical throughput, color, light source and screen and their optimum method were described.
描述了投影显示关键参数（分辨率、对比度、投影光学、系统的光通量、彩色化、灯及屏幕）及优化方法。
The automatic system of measurement of the refractive index & thickness of NMSTF applies the reflection method to measure the parameters with the helium-neon laser as the incident light source.
“全自动纳米多孔氧化硅薄膜折射率和厚度测定系统”采用的测量方法是光的反射法，在选用氦氖激光作为、入射光源时，考虑到氦氖激光的单色性不会因为经过分束镜后发生变化；
For the first time, the effect of light source with different power on the reflectance is studied in experiment, the results is significant of the design and the measurement of tissue parameters.
首次从实验上研究了光源功率对漫反射分布的影响，研究结果对于测量系统设计和组织参数测量具有重要意义。
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