“过期不产”的概念、定义、翻译、参考文献-科学参考

单词	过期不产
释义	过期不产 Encyclopedia 医学﹝妇科病证﹞释 prolonged pregnancy过期不产平时月经周期规律，每28～30天来潮一次的妇女，在妊娠足月后，逾期2周以上尚未临产的病证。
随便看	projective minimal surface projective model projective module projective morphism projective multiplier projective normal projective normalization projective n-space projective object projective object of a category projective parameter projective pencil of lines projective plane projective plane crossing number projective plane curve projective plane dissection projective point projective point ranges projective principal normal projective product projective property projective quadric projective relation projective representation projective resolution

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。