| Acronym | Meaning |
 | CHI | Computer-Human Interaction |
| VSOP | Variations S?culaires Des Orbites Plan?taires (French |
| NARA | (U.S.) National Archives And Records Administration |
| AMSAA | U.S. Army Materiel Systems Analysis Activity |
| ALAP | As Long/Late As Possible |
| OBE | Officer Of The Order Of The British Empire |
| JIB | Joint Information Bureau |
| NTZ | Iraq-Saudi Arabia Neutral Zone (ISO 3166 Trigram; Obsolete 1993) |
| RWF | Rwandan Franc (ISO 4217 Currency Code) |
| PRI | Puerto Rico (ISO 3166 Trigram) |
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