ASR

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MilitaryEdit

Ancestral sequence reconstruction, to infer ancient DNA sequences
Acute stress reaction to traumatic event
Adult sex ratio of males to females
Alkali–silica reaction, affecting sensitive aggregates and causing concrete expansion and failure
Analyte-specific reagent, a class of biological molecules
Asian soybean rust, a plant disease
Age-Standardized Rates of a phenomenon in a series of populations.

Automatic speech recognition
Automotive shredder residue, of shredded automobiles
Aquifer storage and recovery, of potable water in an aquifer
Airport surveillance radar
Asr (radar), an Iranian radar system
Arithmetic shift right, a computer instruction
Answer-seizure ratio, the percentage of telephone calls that are answered
Traction control system, from German Antriebsschlupfregelung (Acceleration Slip Regulation), system to prevent loss of traction on vehicles
Automatic Send Receive on a teletype
Teletype ASR 33, a specific model teletype, commonly used for early day minicomputers
Architecturally Significant Requirements