“senile degenerated heart valvular disease, SDHVD”的概念、定义、翻译、参考文献-科学参考

单词	senile degenerated heart valvular disease, SDHVD
释义	senile degenerated heart valvular disease, SDHVD Encyclopedia 医学循环系统疾病释 senile degenerated heart valvular disease, SDHVD老年退行性心脏瓣膜病随着年龄的增长，原本正常或轻度异常的心脏瓣膜发生退行性病变及纤维化，使瓣膜增厚、变硬、变形及钙盐沉积，导致瓣膜狭窄和（或）关闭不全的现象。又称老年钙化性心脏瓣膜病。
随便看	center of inflection center of interest center of inversion center of involution Center of land center of light center of magnitude center of mass center of mass angle center of mass coordinate system center-of-mass coordinate system center-of-mass energy center of masses center of mass frame center-of-mass frame center of moment center-of-momentum frame center of momentum system Center of National Railway Intelligent Transportation System Engineering and Technology center of oscillation center of percussion center of perspectivity center of polarity center of principal curvature center of projection

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。