Finally, I was able to get my hands on the Federal Register for October of 1950, wherein the linked PDF the color information starts on page 10. 144 Hz is indeed the correct value, not System 3’s 120 Hz.
in naive { i = 0; total = 0; } (s:。新收录的资料对此有专业解读
。新收录的资料对此有专业解读
Stuart RustSouth of England
Open Source Extensible, adaptable,open source.，这一点在PDF资料中也有详细论述