“Q signal”的概念、定义、翻译、参考文献-科学参考

单词	Q signal
释义	Q signal [`kyü ´sig·nǝl] ^{COMMUNICATIONS} A three-letter abbreviation starting with Q, used in the International List of Abbreviations for radiotelegraphy to represent complete sentences. ^ELECTRONICS The quadrature component of the chrominance signal in color television, having a bandwidth of 0 to 0.5 megahertz; it consists of +0.48(R-Y ) and +0.41(B-Y ), where Y is the luminance signal, R is the red camera signal, and B is the blue camera signal.
随便看	selective fading selective filling selective flotation selective fracturing selective fusion selective heating selective identification feature selective inhibition selective interference selective jamming selective loading selectively doped heterojunction transistor selective medium selective mining selective permeability selective photoelectric effect selective plating selective poisoning selective polymerization selective quenching selective radiator selective reflection selective replacement selective ringing selective scattering

科学参考收录了103327条科技类词条，基本涵盖了常见科技类参考文献及英语词汇的翻译，是科学学习和研究的有利工具。