“history of pig-keeping”的概念、定义、翻译、参考文献-科学参考

单词	history of pig-keeping
释义	history of pig-keeping Encyclopedia 理学畜牧史释 history of pig-keeping养猪史中国自古以来对于猪类的养殖管理经验。
随便看	vacuum degeneracy vacuum degenerate vacuum degeneration vacuum degree in canned food vacuum dehydration vacuum deposition vacuum diagram vacuum diffusion welding vacuum discharging test method vacuum distillation vacuum distillation refining of rare earth vacuum drum dryer vacuum dry friction cold welding test vacuum electron beam remelting vacuum electron beam welding vacuum electronic device vacuum electronics vacuum encapsulation vacuum energy vacuum etallurgy vacuum etching vacuum evaporation vacuum evaporation technique vacuum evaporator vacuum expectation value

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。