先天学

这包括河图洛书的问题、先天学的问题、后天学的问题和占筮方法的问题，这就是本文的第四章和第五章的内容。

This paper researches on the issues of the River Map and Luo Chart , Priori Learning and Postnatal Learning , divine method in chapter four and five .

先天学之自得，后天学之无奈&朱熹易学中的先天后天问题经老师解释这些难点后，这首诗变得易懂多了。

The Issue of the Prenatal and Postnatal in ZHU Xi s Yi Studies ; Now that the teacher has explained the difficult points , the poem comes into much clearer focus .

方法回顾性分析78例（126眼）眼球壁先天异常声像学表现。

Methods 126 eyes echography appearances of congenital abnormal of the eyeball wall were reviewed .

目的探讨眼球壁先天异常声像学表现及其诊断价值。

Objective To evaluate echography appearances and diagnosis value of congenital abnormal of the eyeball wall .

先天论是现象学诠释学的理论准备，先天概念是从现象学方面进入海德格尔存在论思想的基本前件之一。

" Nativism " provides theoretical preparation for phenomenology and annotation , and it becomes the basic precondition of ontology theory .