抽象语法符号 meaning in English

a a tract syntax notation
asn abstract syntax notation

Asn abstract syntax notation
抽象语法符号
Asn . 1 is a data definition language which allows formal definitions of information structures to be expressed in a manner which is independent of any implementation constraints
抽象语法符号asn . 1是一种资料定义语言，透过将资讯结构的定义正规化，使资料结构在任何发展环境之下都能用相同的表示方法来表示。
To ensure that this data can be exchanged between the systems involved , the representation layer transmits it in a standardized form ( e . g . , by using abstract syntax notation ( asn . 1 ) or basic encoding rules ( ber ) )
为了确保数据能在不同系统间进行交换，表示层以标准的格式传递它（通过使用抽象语法符号（ asn . 1 ）或基本编码规则( ber ) ）。