“变速齿轮”的概念、定义、翻译、参考文献-科学参考

单词	变速齿轮
释义	变速齿轮 change speed gear fast motion gear gear change ratio gear speed transforming gear variable gear speed changing gear transmission gear
随便看	fresh water discharge pump fresh water distiller fresh-water ecosystem fresh water extraction pump fresh water filter fresh water fish fresh-water flow fresh water (FW) freshwater geomagnetic electrokinetograph fresh water lake fresh water lens fresh water makeup pump fresh water marsh fresh-water origin fresh water pearl fresh water perch fresh water pipe fresh-water pool fresh water pump fresh water resource fresh water sand fresh-water sediment fresh water shell button fresh-water tank fresh water tank

科学参考收录了1248194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。