What does DP stand for?

Direct Placement (DRS) 

Dew point temperature

The temperature at which condensation begins, if air is cooled at constant pressure.

Datum Point

In layout and machining operations the reference points on a datum plane from which dimensions are measured.

Digital Processor,Data Processing

Data Processing is a series of operations on data, especially by a computer, to retrieve, transform, or classify information.

Decentralised authorisation procedure

Dry Pavement

Dye Penetrant

Distributed Parameter

Distributed Periphery

Double Port