TRM

Transmission Time, UTC Earth time of uplink.

TRM

Technical Reference Manual - term used to refer to the optional hardware manual for Acorn computers
Found on http://www.archivemag.co.uk/

TRM

Series of trucks, Renault [FR]
Found on http://www.jedsite.info/index.html

TRM

Transmission Reliability Margin (electricity)
Found on http://www.translationdirectory.com/glossaries/glossary136.htm
No exact match found