“呼吸困难”的概念、定义、翻译、参考文献-科学参考

单词	呼吸困难
释义	呼吸困难 Encyclopedia 医学呼吸困难释 dyspnea呼吸困难患者主观感觉空气不足或呼吸费力，客观上表现为呼吸运动用力，严重时可出现张口呼吸、鼻翼扇动、端坐呼吸及发绀、辅助呼吸肌参与呼吸运动，并伴有呼吸频率、深度和节律异常的现象。
随便看	ordered monoid orderedness ordered normed space ordered n-ple ordered n-tuple ordered orbit ordered pair ordered pair representation ordered partition ordered perception ordered phase ordered plane ordered point defect ordered polynomial ordered principal minor ordered product ordered projective line ordered projective plane ordered quadruplet ordered quasi-field ordered reading official document ordered ring ordered sample ordered sample cluster analysis ordered sample clustering

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。