“impotence”的概念、定义、翻译、参考文献-科学参考

单词	impotence
释义	impotence [`im·pǝd·ǝns] ^MEDICINE 1. Inability in the male to perform the sexual act. 2. Lack of sexual vigor.
随便看	normal contour normal coordinates normal curvature normal curve normal cycle normal density function normal depth normal derivative normal dip normal direction flow normal dispersion normal displacement normal distribution normal divisor normal effort normal electrode normal element time normal equations normal erosion normal extension normal family normal fault normal fluid normal fold normal form

科学参考收录了103327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。