air to air missile launching envelope
air to surface area ratio
air to air heat recovery unit
low cost administrative management
acclimation to low temperature
adaptation to low serum medium
cultivation substrate with low cost
cytoplasmic male sterility sensitive to low temperature
evaluation of low air temperature
exposure to low temperature
Genotypes tolerant to low potassium
high effect and low cost
high performance and low cost
hydrophilic low surface energy
Low Air Permeability Coal Seam
low air permeable coal seams
low air temperature in winter