“threatened preterm labor”的概念、定义、翻译、参考文献-科学参考

单词	threatened preterm labor
释义	threatened preterm labor Encyclopedia 医学高危妊娠释 threatened preterm labor先兆早产妊娠满28周至不满37周期间，出现有规律或不规律子宫收缩，伴有宫颈管进行性缩短的现象，是早产的一个阶段。
随便看	column nullity column of a determinant column of a matrix column of a table column of tens column operation column-oriented database column oven column permutation column radio chromatography column raising column rank column regeneration column revision column selection column shaft column shell column shift of Chinese timber construction column space column stabilized unit column stochastic matrix column store database column sum column switching column total

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。