“sign convention”的概念、定义、翻译、参考文献-科学参考

单词	sign convention
释义	sign convention Encyclopedia 工学符号规则释 sign convention符号规则光路计算中对所有参量规定的一套正负号选取规则。 Physics ＞光学＞应用光学＞释义 sign convention符号规则
随便看	natural epimorphism natural equation natural equivalence natural erosion natural exponent natural extension natural fade document natural family planning natural fermentation natural fertility natural fiber natural fiber reinforcements natural field electrical methods natural filter natural filtration natural-flavoring natural flowing production natural fluid flows natural focus natural forcing natural forest natural forest conservation program Natural Forest Protection Project natural forest protection project in China natural forest resources of China

科学参考收录了854744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。