“河套地区农业史”的概念、定义、翻译、参考文献-科学参考

单词	河套地区农业史
释义	河套地区农业史 Encyclopedia 理学中国农业史释 agriculture history in Hetao region河套地区农业史中国阴山至蒙陕长城、贺兰山至晋陕峡谷整个河湾内外的农业发展历史。
随便看	occupational exposure occupational exposure limits occupational exposure pollution occupational eye disease occupational guidance occupational hair damage occupational hazard occupational hazard of high frequency electromagnetic field occupational hazardous factor occupational hazard pre-evaluation occupational hazard risk classification occupational hazards during the construction and operation in railways occupational hazards of gamma rays occupational hazards of ionizing radiation occupational hazards of non-ionizing radiation occupational health occupational health and occupational medicine Occupational Health and Safety Assessment Series 18000 occupational health examination occupational health for all occupational health management in construction project occupational health monitoring on plateau railway occupational health of female worker occupational health prevention technology occupational health psychology

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。