“phase-alternation line system”的概念、定义、翻译、参考文献-科学参考

单词	phase-alternation line system
释义	phase-alternation line system [`fāz ´ȯl·tǝr¦nā·shǝn ´līn ´sis·tǝm] ^{COMMUNICATIONS} A color television system used in Europe, in which the phase of the color subcarrier is changed from scanning line to scanning line, requiring transmission of a line switching signal as well as a color burst. Abbreviated PAL system.
随便看	lambing storm Lamb shift Lamb-shift source lamb-showers lamb-storm lamb's wool Lamb wave lamella lamella arch lamellar bone lamellar chloroplast lamellar crystal lamella roof lamellar vector field Lamellibranchiata Lamellisabellidae Lamiaceae Lamiales lamina lamina cribrosa laminal placentation laminar laminar boundary layer laminar composite laminar flow

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。