GB/T 17645.20-2002 English PDF

US$1904.00 · In stock
Delivery: <= 8 days. True-PDF full-copy in English will be manually translated and delivered via email.
GB/T 17645.20-2002: Industrial automation systems and integration -- Parts Library -- Part 20: Logical resource: Logical resource: Logical model of expressions
Status: Valid

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
GB/T 17645.20-2002	1904	Add to Cart	8 days	Industrial automation systems and integration -- Parts Library -- Part 20: Logical resource: Logical resource: Logical model of expressions	Valid

Similar standards

GB/T 41251   GB/T 32828   DL/T 680   GB/T 17645.42   GB/T 17645.511   GB/T 17645.25   

Basic data

Standard ID: GB/T 17645.20-2002 (GB/T17645.20-2002)
Description (Translated English): Industrial automation systems and integration. Parts Library. Part 20: Logical resouce: Logical resource: Logical model of expressions
Sector / Industry: National Standard (Recommended)
Classification of Chinese Standard: N18
Classification of International Standard: 25.040.40
Word Count Estimation: 83,883
Date of Issue: 2002-05-08
Date of Implementation: 2002-10-01
Quoted Standard: GB/T 16656.44-1999; ISO 10303-11-1994; ISO/IEC 9075-1992
Adopted Standard: ISO 13584-20-1998, IDT
Issuing agency(ies): General Administration of Quality Supervision, Inspection and Quarantine of the People Republic of China
Summary: This standard specifies: Common expressions EXPRESS mode, the expression pattern established EXPRESS EXPRESS language expressions allowed subset corresponds to ISO 10303-11: 1994 defined integer, real, , boolean and string. This mode uses the common expression pattern defined resources. GB/T 17645 This part applies to: including constant and variable expressions exchange, checking whether the expression should be calculated numeric integer function, to ensure that the expression is semantically correct constraints, the expression or function of variables used in the calculation, check whether an expression can be mapped to the SQL query language functions. GB/T 17645 This part does not apply to: In some relevant environment on the variable assignment, relevant in a given environment, the calculated value of the expression of the trigger mechanism.

Image     

Tips & Frequently Asked Questions:

Question 1: How long will the true-PDF of GB/T 17645.20-2002_English be delivered?

Answer: Upon your order, we will start to translate GB/T 17645.20-2002_English as soon as possible, and keep you informed of the progress. The lead time is typically 5 ~ 8 working days. The lengthier the document the longer the lead time.

Question 2: Can I share the purchased PDF of GB/T 17645.20-2002_English with my colleagues?

Answer: Yes. The purchased PDF of GB/T 17645.20-2002_English will be deemed to be sold to your employer/organization who actually pays for it, including your colleagues and your employer's intranet.

Question 3: Does the price include tax/VAT?

Answer: Yes. Our tax invoice, downloaded/delivered in 9 seconds, includes all tax/VAT and complies with 100+ countries' tax regulations (tax exempted in 100+ countries) -- See Avoidance of Double Taxation Agreements (DTAs): List of DTAs signed between Singapore and 100+ countries

Question 4: Do you accept my currency other than USD?

Answer: Yes. If you need your currency to be printed on the invoice, please write an email to Sales@ChineseStandard.net. In 2 working-hours, we will create a special link for you to pay in any currencies. Otherwise, follow the normal steps: Add to Cart -- Checkout -- Select your currency to pay.