“test pattern”的概念、定义、翻译、参考文献-科学参考

单词	test pattern
释义	test pattern [`test ´päd·ǝrn] ^{COMMUNICATIONS} A chart having various combinations of lines, squares, circles, and graduated shading, transmitted from time to time by a television station to check definition, linearity, and contrast for the complete system from camera to receiver. Also known as resolution chart.
随便看	catching diode catching sample catching up catchlights catchment area catchment glacier catch pit catchwater cat cracker catechol catecholamine categorical data categorization category catena catenane catenary catenary suspension catenate catenation catenulate Catenulida caterer problem caterpillar caterpillar chain

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。