Standard No.:	GB/T 16656.11-2010
English Name:	Industrial automation systems and integration - Product data representation and exchange - Part 11: Description methods:The EXPRESS language reference manual
Chinese Name:	工业自动化系统与集成 产品数据表达与交换 第11部分：描述方法：EXPRESS语言参考手册
Chinese Classification:	L67    Computer application
Professional Classification:	GB    National Standard
ICS Classification:	25.040.40 25.040.40    Industrial process measurement and control 25.040.40
Issued by:	AQSIQ; SAC
Issued on:	2010-12-1
Implemented on:	2011-5-1
Status:	valid
Superseding:	GB/T 16656.11-1996 Industrial automation systems and integration--Product Data Representation and Exchange-- (STEP) Part 11: Descriptive methods: The EXPRESS language reference manual
Language:	English
File Format:	PDF
Word Count:	106000 words
Price(USD):	3180.0
Delivery:	via email in 1~3 business day

GB/T16656的本部分规定了能够定义产品数据的一种语言。这种语言被称作EXPRESS。本部分还规定了EXPRESS 语言中资源构造子集的图形化表达,这种图形化表达被称作EXPRESS-G。
在GB/T16656.1中EXPRESS被定义为一种数据描述语言。它由各种语言元素构成,允许无二义性的数据定义,并对所定义数据的约束进行描述。