“月经先后无定期”的概念、定义、翻译、参考文献-科学参考

单词	月经先后无定期
释义	月经先后无定期 Encyclopedia 医学﹝妇科病证﹞释 irregular menstrual cycle月经先后无定期以月经周期提前或延后7天以上，连续出现3个周期以上为主要表现的病证。又称经水先后无定期、月经衍期、经乱等。
随便看	line element line element field line-ellipse intersection Line Embroidery of Lotus and Mandarin Duck Book line emission line emission cloud line emission nebula line entity line equation line feed line flyback pulse line formation line frequency line geometry line graph line grating line group line identification Line Identifications of the Radio Astronomy Spectrum line image sensor line integral line intensity line intercept method line involution Line Islands

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。