This paper explains the image expansion and confusion of the red and blue primary colours caused by the electric charge accumulation on the oil film in the colour TV light valve tube.

本文对油膜光阀管中电荷积累现象引起的图象扩大和红、蓝原色不能正确显示的原因进行了解释。

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The idea of primary colors, and specifically the idea of red, yellow and blue being the primary colors, didn't exist until about 200 years ago.

原色的概念，特别是以红色、黄色和蓝色作为原色的概念，是直到大约200年前才出现的。

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At this point, Goethe was already a well-known author, so he was easily able to popularize this idea of primary colors, and specifically the idea of red, yellow and blue as THE primary colors.

此时，歌德已经是位很有名的作家了，所以他能很容易就把原色的概念推广出去，特别是把红、黄、蓝作为“三原色”的概念并加以推广。

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He faced a divided party base and had to work to gain support from black voters who backed state Rep. Dan Blue in the Democratic primary.

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Today, that is Blue Coat's primary business.

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Reopening the NYSE floor is critical for U.S. stock markets because of the NYSE's role as the primary exchange for many blue-chip listings.

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