“gradation on farmland”的概念、定义、翻译、参考文献-科学参考

单词	gradation on farmland
释义	gradation on farmland Encyclopedia 经济学农用地分等释 gradation on farmland农用地分等在中国地方行政区（省或区县级）之间，对农用地的自然质量进行的划分。
随便看	Hamilton Hamilton canonical equation Hamilton canonical equations Hamilton-Cayley theorem Hamilton characteristic function Hamilton-connected graph Hamilton cycle Hamilton cycle problem Hamilton equation Hamilton function Hamilton hexagon Hamiltonian hamiltonian Hamiltonian algebra Hamiltonian arc Hamiltonian chain Hamiltonian characteristic function Hamiltonian circuit Hamiltonian control system Hamiltonian cycle Hamiltonian cycle; Hamiltonian circuit Hamiltonian density Hamiltonian density of electromagnetic field Hamiltonian differential system Hamiltonian equation

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。