单词luminous flux
na.: 【物】光束
网络: 光通量；流明值；光源光通量
【物理学】光束,光通量
光流通量
That part of a luminaire designed to reflect the luminous flux of the lamps in required directions by means of specular reflection .
灯具中被设计成利用镜面反射来在所需的方向上反射光源光通量的那部分。
On a surface . The luminous flux received by the surface from a lighting installation after reflection from other surfaces.
经照明系统中的各反射面反射后到达被照表面的光通量。
Among the many technical indexes of LED, the total luminous flux is one of the most important.
在LED的诸多技术指标中，总光通量是其中最重要者之一。
Of a source . The luminous flux emitted above [ below ] a horizontal plane passing through the source .
对光源而言。高于[低于]通过光源的水平面而发射的光通量。
Visual, electromagnetic spectrum, luminous flux, luminous intensity, illuminance, luminance.
视觉，电磁波谱，光通量（流明），发光强度（坎德拉），照度，亮度。
The LED total luminous flux decreases with the increase of time in the DC mode, but it does not change in the pulse mode.
LED总光通量在直流模式下随点燃时间下降，在脉冲模式下则不随点燃时间变化。
With the continuous development of LED industry, an accurate measurement on the total luminous flux of LED has been put on the agenda.
随着LED产业的不断发展，对LED总光通量的准确测量也提到了越来越重要的议事日程上来了。
The ratio of luminous flux at a specific wavelength to the radiant flux at the same wavelength.
发光效率一定波长的光量对同样波长的辐射光量的比例
"We"ll reach a limit where we can only move forward by producing quantities of luminous flux that nobody needs, " he says.
他说，“我们将会达到一个极限，那时我们只能通过生产大量无用的光通量来获取进步。”
At first, we discussed the traditional integrating sphere relative method for the measurement of LED"s total luminous flux.
首先，本论文探讨了LED总光通量常规的积分球相对比较法测量。