三个滤镜覆盖了电磁光谱的紫外、蓝和红部分的波长。
The filters cover various wavelengths over the ultraviolet, blueand red portions of the electromagnetic spectrum.
橙色由红和黄混合而来，紫色由蓝和红混合而来，而绿色由黄和蓝混合而来。
Orange from mixing red and yellow, violet (purple) from blue and red, and green from yellow and blue.
这支军队最初的颜色有红、蓝、黄、绿、白和紫。
They began as an army of red, blue, yellow, green, white, and purple.
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