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The letters GIS stand for Geographical Information System.
heroine
Nylon was first established by New York and London. It couldn't be decided what country should get the credit for this new material. The first two letters "n" and "y" stand for New York and the last three letters; "L", "O" and "N" are the first three letters of London. So it reads New york, London.
disk operating system
The first two letters of the name, Argon.
High Energy Stereoscopic System
characters stand for symbols or letters like our alphabet.
characters stand for symbols or letters like our alphabet.
The letters WAAS stand for Wide Area Augmentation System. In a nutshell, this is the widespread satellite system which corrects GPS signals for drivers on the road and users of the technology, creating the best method for conveying accurate information.
Open Source Information System
Globally Harmonized System, a system for classifying chemicals and other dangerous goods
The letters cl stand for centilitre - there are 100 centilitres in one litre.