“双历”的概念、定义、翻译、参考文献-科学参考

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。

单词	双历
释义	双历 day-date
随便看	circular slide rule circular spring needle machine circular sprinkler circular stairs circular steel support circular striation circular string border machine circular suture circular synechia circular test circular thickness circular titanium claded copper bar circular tooth and cylindrical worm reducer circular tooth gear circular tooth thickness circular tower circular track test circular transmission line chart circular trench circular trench manuring circular type draft cooler circular type manic-depressive psychosis circular velocity circular vortex circular washer