“经期延长”的概念、定义、翻译、参考文献-科学参考

单词	经期延长
释义	经期延长 Encyclopedia 医学﹝妇科病证﹞释 menostaxis经期延长以月经周期基本正常，行经时间超过7天，甚或淋沥半月方净为主要特征的病证。又称月水不断、经事延长。
随便看	proportional odds regression model proportional part proportional plus integral plus derivative control proportional plus integral plus differential control proportional-plus-integral-plus-differential control proportional price rule proportional profile proportional region proportional regulator proportional regulatory systems proportional relation proportional relations among agriculture,light industry and heavy industry proportional relations among primary industry,secondary industry and tertiary industry proportional representation proportional sampling proportional selection proportional sequence proportional stratified sampling proportional subclass number proportional trapping proportional valve proportional variable proportion by addition proportion by addition and subtraction proportion by alternation

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。