| 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 |
|
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。