“覆土器”的概念、定义、翻译、参考文献-科学参考

单词	覆土器
释义	覆土器 Encyclopedia 农学覆土器释 soil cover覆土器种子经种子箱、排种器、导种管落到种沟后，对种子进行盖土作业的部件。
随便看	infinite program infinite progression infinite projection infinite-quantifier infinite rank infinite region infinite representation type infinite ring infinite sequence infinite series infinite set infinitesimal infinitesimal analysis infinitesimal automorphism infinitesimal bending infinitesimal birth rate infinitesimal calculus infinitesimal canonical transformation infinitesimal character infinitesimal chart infinitesimal circle infinitesimal condition infinitesimal connection infinitesimal death rate infinitesimal deformation

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。