【化】 orientation in aromatic substitution
aromatic; balminess; fragrant; spicery; sweetness
a group of things with common features; clan; family; race; strain
【化】 alkaline earths; family; group; odd series; periodic family; sub-group
subgroup
【医】 group; race; series; tribe
replace; substitute; permute; supersede; supersession; substituent; superlant
【化】 permutation; substitution
【医】 substitution
directional
【计】 vectoring
【化】 orientation
【医】 orientation