You might notice in the table above, there’s a distinction between “color frames”, “frames”, and “color pictures”. Terminology is a little clunky to the modern eye because we ended up with a system where every frame contains full color information. I’ll create the term “progressive color frame rate”; if you weren’t interlacing, what would be your rate of full-color frames? In NTSC, this is the same thing as the field rate. In field-sequential System 3, this takes three fields.
Airy Disk: A very bright, circular spot of light formed in the center of image which together with the series of concentric rings around is called Airy Pattern.
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晚点曾用金价来衡量过蔚来的亏钱速度，称这家公司在每秒钟亏去的钱比同期的金价还贵，“一寸光阴一寸金。”，这一点在传奇私服新开网｜热血传奇SF发布站｜传奇私服网站中也有详细论述
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