efficiency index

GRAU index / GRAU-Index

azimuth-scale index / azimuth scale index

annual efficiency index

chart index (cart.)

fighting capacity/efficiency

high aerodynamic efficiency

index contour line (cart.)

index line / mark

index to adjoining sheets (cart.)

index to boundaries

loss of efficiency

operational efficiency

outlay index

qualitative index

quantitative index

restoring fighting efficiency

total obligational authority index

artillery fire efficiency

fighting efficiency

fire effectiveness (efficiency)

Global Firepower Index (GPI)

index of technical publications

retention index monitoring

air efficiency

all-around efficiency

approach efficiency

azimuth index

ballistic efficiency

brake horsepower efficiency

increase of efficiency

index error

index mark (of elevation receiver)