| 释义 |
MTTD may refer to: - MT-TD, or mitochondrially encoded tRNA aspartic acid, a type of transfer RNA in human biology
- Motor Transport and Traffic Directorate, an agency of the Ghana Police Service
- Mean time to detection, a statistic in reliability engineering
- Medium Tactical Truck Demonstrator, a variant in the U.S. Army Family of Medium Tactical Vehicles
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