逼近引理 meaning in Chinese

approximation lemma

In the second chapter , firstly , i present some marks and definitions , then discuss several le . mmas that closely relate to the primary theorem of this paper . successively , i introuduce relative malgrange preparation theorem , the approach theorem of relative map - germs , and the approach theorem of relative map - germs with single parameter family and so on
第二章首先给出一些记号和定义，然后讨论与本文主要定理密切相关的一些引理，先后介绍了相对malgrange预备定理，相对映射芽的逼近引理，以及单参数族相对映射芽的逼近引理等。