Vibration field can make the photoelastic pattern and light intensity matrix change regularly.
振动力场的引入使光弹性图像和光强度矩阵发生了规律性变化。
The intensity of the annual display is dependent on a complicated matrix of variables related to moisture and temperature.
年度显示的强度取决于湿度和温度等有关变量所组成的一个复杂矩阵。
It can be used to measure the luminous intensity, forward voltage, reverse current of each luminous dot in all kinds of LED luminous dot matrix.
能测试各种LED发光矩阵每个发光元的发光强度，正向压降和反向电流。
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