It refers to "centres".
When appended to a dimension it means the dimension is to / from the centre mark of a diameter / radius.
binary digit
medium scale integration
Non Conformance Report
indian standard plaster
PCB stands for "Polychlorinated biphenyl" in chemistry and environmental protection. PCB stands for "printed circuit board" in electrical engineering.
full form of c and i
Electronics and Telecommunication Engineering.
bachelor of engineering
Drawing Interchange Format or Drawing Exchange Format.
drawing & disbursing office
Master of Engineering
Diploma of Associate Engineering
Computer Science and Engineering.
Bachelor of Engineering
"computer aided engineering"
BE - Bachelor of Engineering
Computer aided engineering