“method of soil improvement by stages”的概念、定义、翻译、参考文献-科学参考

单词	method of soil improvement by stages
释义	method of soil improvement by stages Encyclopedia 理学古代耕作技术释 method of soil improvement by stages亲田法在人力、物力有限的条件下，分期、分批对部分田地给予优先照顾的一种土壤耕作技术。
随便看	cyclotomic extension cyclotomic factorization cyclotomic field cyclotomic formula cyclotomic function cyclotomic graph cyclotomic integer cyclotomic invariant cyclotomic number cyclotomic polynomial cyclotomic units cyclotomic Zpextension cyclotomy cyclotron cyclotron absorption cyclotron damping cyclotron effective mass cyclotron emission cyclotron frequency cyclotron gyration of a charged particle cyclotron harmonic wave cyclotron instability cyclotron maser cyclotron radiation cyclotron radiation and synchrotron radiation

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。