“land roller”的概念、定义、翻译、参考文献-科学参考

单词	land roller
释义	land roller Encyclopedia 农学播种镇压器释 land roller播种镇压器用于播种后压实土壤表层的机具。
随便看	normal scheme Normal School of Peking Imperial University normal score normal score test normal section normal semigroup normal sequence normal series normal series of a group normal series of subgroups normal series with repetitions normal set normal sheaf normal shock normal shock wave normal shutdown normal simple algebra normal simplicial mapping normal singularity normal skin effect normal solubility normal solution normal solvability normal space normal space to a surface

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。