“upper gastrointestinal bleeding”的概念、定义、翻译、参考文献-科学参考

单词	upper gastrointestinal bleeding
释义	upper gastrointestinal bleeding Encyclopedia 医学消化道出血释 upper gastrointestinal bleeding上消化道出血十二指肠悬韧带（Treitz韧带）以上的消化道出血。包括食管、胃、十二指肠、胆、胰和胃空肠吻合术后部分空肠病变的出血。
随便看	airmeter air navigation Air operation planning airosol air particulates collection efficiency air passenger transport air passenger transport sales agency air path airphoto air pillar emergency rescue tent airplane autonomous integrity monitoring airplane-based observatory airplane-based telescope airplane borne instrument airplane borne telescope airplane seeder airpoise air pollutant air pollutants discharge standard air pollution air pollution auto monitoring system air pollution auto-monitoring system Air Pollution Control air pollution control and health protection air pollution control chemistry

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。