“land leveling”的概念、定义、翻译、参考文献-科学参考

单词	land leveling
释义	land leveling Encyclopedia 农学农业水土工程释 land leveling土地平整为满足农田耕作、灌溉与排水和农业机械化的需要而采取的田块修筑和地力保持措施。
随便看	countable simplicial complex countable space countable subadditivity countable subset countable sum axiom countable superadditivity countable support iterated forcing countable system countable transitive model countable union countable-valued logic countable weight countably additive countably additive algebra countably additive class countably additive family countably additive function countably additive measure countably compact countably compact set countably compact space countably continuous operator countably equivalent sets countably generated module countably Hilbertian space

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。