E-days is set research and development, manufacturing and sales integration, mainly to high-intensity, high-performance white, blue, green LED R & D and manufacture, and actively developed and used for outdoor decorative lighting in the high-quality LED.
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An excellent power driver for high performance White LED is essential.
为了充分发挥其优势，需要配备良好的驱动电源。
The noise in constant beam-width beam space is spatial correlative and color (non white), which affects the performance of wide-band-beam-space high resolution DOA (Direction of Arrival) estimator.
恒定束宽波束域噪声是空间相关的非白噪声，这给宽带波束域高分辨方位估计方法的性能带来影响。
The paint composition has not only excellent yellowing resistance and high weather resistance, but also physical and chemical performance similar to that of white PU surface paint.
该涂料组合物不但有很好的耐黄变性能和耐候性，而且还具有PU 白面漆一样的物理化学性能。
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