英语语法分析

Chapter 4 USES barycentric subdivision method on arbitrary discrete parametric curves net.

第四章考虑上述的重心加细方法，将之应用于任意的离散参数曲线网上。

The relativistic geometric time delay of VLBI is derived in the Barycentric Reference System (BRS).

本文以太阳系质心参考系为基础推导了VLBI时延和引力延迟的后牛顿表达式；

The differentiation matrices of unknown function are constructed by using barycentric rational interpolation.

采用重心有理插值近似未知函数，得到未知函数的各阶微分矩阵。