bnf

Biotechnology Consultation Note to the File BNF no 00077.

生物技术咨询注解，对档案BNF第00077号。

My works maintains: the first is to change the extended BNF of TTCN-3 into the normal BNF;

我的工作主要有：一是对TTCN-3的扩展语法规则范式进行改写；

JJTree is a preprocessor, and generating a parser for a particular BNF is an easy two-step process.

JJTree是一个预处理器，为特定BNF生成解析器只需要简单的两步。

In BNF, the only way to indicate a list of an arbitrary number of elements is through recursion.

在BNF表示法中，为了表示一串任意个数的元素，唯一的方法是通过递归来定义。

The first and most obvious is the AEL syntax itself. A BNF is provided near the end of this document.

第一点也是最明显的就是AEL自身的语法。BNF被提供在文档的结尾。