“irregular menstrual cycle”的概念、定义、翻译、参考文献-科学参考

单词	irregular menstrual cycle
释义	irregular menstrual cycle 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	lightning location by radiation pulse lightning locator lightning mark lightning measuring instrument lightning on Venus lightning overvoltage lightning parameter lightning physics lightning-proof building lightning protection lightning protection design lightning protection device for derrick lightning protection device for external elevator lightning protection device for external steel scaffold lightning protection device for tower crane lightning protection device on construction site lightning protection for railway telecommunication and signalling system lightning protection of transmission line lightning protection technology for oil depot lightning radiation lightning rod lightning safety test of structure lightning suppression lightning survey lightning test lab for full-scale aircraft

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