“老年吞咽困难”的概念、定义、翻译、参考文献-科学参考

单词	老年吞咽困难
释义	老年吞咽困难 Encyclopedia 医学老年综合征释 dysphagia in the elderly老年吞咽困难老年人在进食时，食物停留在上消化道任一部位，进入胃的时间延长，因此停止吞咽动作后，出现堵塞感或胀满感的现象。
随便看	optical cable optical camera optical camouflage optical cavity optical celestial navigation optical cement optical center optical ceramics optical chaos optical characteristics measurement optical character reader optical character reader, OCR optical character reader,OCR optical character recognition optical Chinese character recognition optical chip optical chromatography optical circuit switching，OCS optical circulator optical clock optical coating optical coatings optical code division switching，OCDS optical coherence tomography optical coherence tomography, OCT

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。