“The convenience theory of farm tools”的概念、定义、翻译、参考文献-科学参考

单词	The convenience theory of farm tools
释义	The convenience theory of farm tools Encyclopedia 理学〔世界农书〕释 The convenience theory of farm tools《农具便利论》日本江户时代（1600～1868）后期有关农具的专著。
随便看	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 countably infinite countably infinite set countably infinite system countably many countably multiplicative class countably normed space countably paracompact space countably semi-additive function countably subadditive function countably superadditive function countably zero-dimensional 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。