在这种情况下，镜头需要有能力尽可能多的收集光源的信号(更大的光通量)，从而可以得到一个更高的分辨率。
In this case, the ability of a lens to collect as completely as possible the light signals from the sources and therefore give a higher resolution is readily pursued.
光通量减弱使乙醛和甲苯的降解率均下降。
Decreasing light intensity, the degradation of acetaldehyde and toluene both decreased.
目的测定不同波长激光通过不同介质的透射率与吸收率。
ObjectiveTo determine the transmission and absorption of lasers at different wavelength in several media.
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 key parameters of projection display, including resolution, contrast, projection optics, optical throughput, color, light source and screen and their optimum method were described.
经过光学封装技术的改善，可以大幅度地提高大功率LED灯串的出光率（光通量）。
By improving the optical encapsulation, the luminous flux of LED can be improved greatly.
平行光通过折射率存在梯度的场，光线产生偏转，即产生云纹效应。
The method is based on measuring the deflection of rays from a collimated light beam due to gradients in refractive index.
采用高纯度进口铝反射罩，有效提高了反射率，并确保了光通量的输出。
High-purity imported aluminum reflector is used to effectively improve the reflectivity and ensure the output of luminous flux.
透过率是指光学系统的出射光通量与入射光通量的比值。
The transmission of the optical system is the ratio of the outgoing light flux and the incident light flux.
透过率是指光学系统的出射光通量与入射光通量的比值。
The transmission of the optical system is the ratio of the outgoing light flux and the incident light flux.
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