are the first shift and the second shift.Finally
isotope-shift anomaly (=isotopic shift anomaly)
phase-shift time-shift arithmetic
shift frequency shift keying
shift left out/shift right in
Flowing Mosaic culture, artificial cooperation
50℃ and 90% RH-artificial aging
Acellular artificial dermal matrix
adaptive artificial fish swarm algorithm
Adaptive Artificial Neural Network
add artificial roughness
aero-concrete artificial brick RC floor
aging test in artificial environment
AI (artificial intelligent) decision
AI Artificial Intelligence
AI， artificial intelligence
aid of artificial intelligence
AIH artificial insemination with husbands semen
Aircraft Artificial Precipitation Enhancement