“premature labor”的概念、定义、翻译、参考文献-科学参考

单词	premature labor
释义	premature labor Encyclopedia 医学高危妊娠释 premature labor早产妊娠满28孕周至不足37孕周之间（196～258天）的分娩。欧美及日本对早产的定义有所不同，认为24周以上或20周以上为早产儿。
随便看	sectorial operator sectorial spherical harmonic sector loss sector model sector nonlinearity sector priority development strategy sector servo sector shutter sectors of material production sector structure sector velocity secukinumab secular secular aberration secular acceleration secular and regular clergy secular constant secular determinant secular equation secular equilibrium secular evolution secular inequality secular instability secularization secular motion

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。