“ratio print”的概念、定义、翻译、参考文献-科学参考

单词	ratio print
释义	ratio print [`rā·shō ´print] ^{GRAPHIC ARTS} A print the scale of which has been changed from that of the negative by photographic enlargement or reduction.
随便看	gear level gear loading gear meter gearmotor gear oil gear pump gear ratio gear shaper gear-shaving machine gearshift gear streaks gear teeth gear train gear up gear wheel gebli Gecarcinidae gecko Geco sampler gedanite Gedanken experiment gedrite Gee Gee chart geepound

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。