“obstetric ultrasonography”的概念、定义、翻译、参考文献-科学参考

单词	obstetric ultrasonography
释义	obstetric ultrasonography Encyclopedia 医学〔产科影像学检查〕释 obstetric ultrasonography产科超声检查运用超声技术，在早、中、晚期妊娠对母体和胎儿进行的检查。
随便看	piecewise continuous piecewise continuous function piecewise continuous mapping piecewise differentiable piecewise differentiable function piecewise differentiable path piecewise function piecewise interpolation piecewise linear piecewise linear approximation piecewise linear atlas piecewise linear function piecewise linear interpolation piecewise linear iteration piecewise linearization piecewise linearization method piecewise linear manifold piecewise linear mapping piece wise linear method piecewise-linear recursive-convolution method piecewise-linear recursive-convolution method, PLRC piecewise linear submanifold piecewise linear topology piecewisely continuous piecewise monotonic function

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。