“reference mark”的概念、定义、翻译、参考文献-科学参考

单词	reference mark
释义	reference mark [`ref·rǝns ´märk] ^ELECTRONICS One of the marks used in a design of a printed circuit, giving scale dimensions and indicating the edges of the circuit board.
随便看	ratio estimator ratio map ratio meter rational formula rational fraction rational function rational horizon rationalization rationalize rationalized units rational number rational root theorem rational synthesis ratio of expansion ratio of reduction ratio of rise ratio of similitude ratio of specific heats ratio of transformation ratio of transformer ratio print ratio resistor ratio scale ratio test ratites

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。