“vertical interval reference”的概念、定义、翻译、参考文献-科学参考

单词	vertical interval reference
释义	vertical interval reference [`vǝrd·ǝ·kǝl ¦in·tǝr·vǝl `ref·rǝns] ^ELECTRONICS A reference signal inserted into a television program signal every ¹/₆₀ second, in line 19 of the vertical blanking period between television frames, to provide references for luminance amplitude, black-level amplitude, sync amplitude, chrominance amplitude, and color-burst amplitude and phase. Abbreviated VIR.
随便看	dark discharge dark-eclipsing variables dark-field illumination dark lightning dark-line spectrum dark matter dark nebula dark of the moon dark plaster dark-red silver ore dark resistance darkroom darkroom filter dark-ruby silver dark satellite dark segment dark space dark spot dark star dark-trace tube Darling shower Darlington amplifier Darrier's disease d'Arsonval current d'Arsonval galvanometer

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