High Range Resolution
Human Resource Representative
haplotype relative risk
Hardware Requirements Review
Hardy Richter Rand
Hardy-Rand-Rittler
hazard rate ratio
hazard rate ratios
head rotation to the right
Health Risk Review
heart rate range
Heart rate recovery
heart rate reserve
heart rate response
Heat Release Rates
Henley Royal Regatta
high ramp rate
High Resolution Radar
High-Resolution Radar
High-resolution Rotocraft Radar
Hobo Railroad
homolog recognition region
homolog recognition regions
homologous recombination repair
homologous recombinational repair
hormone regulatory region
hormone responsive region
Hot repair room
Housatonic railroad
Human Research Report