“positive direction”的概念、定义、翻译、参考文献-科学参考

单词	positive direction
释义	positive direction Mathematics See directed line.
随便看	digital signature Digital Signature Standard digital sorting digital store Digital Subscriber Line digital switching digital system digital television digital terrain analysis digital theatre system digital to analogue conversion digital to analogue converter digital-to-analogue converter digital versatile disk digital video digital video broadcasting digital video disk digital video interactive digital video interface digital voltmeter digital wallet digital watermark digitigrade digitization digitize

科学参考收录了60776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。