Arch Effect

arch ratio

earth-arch effect

Soil arch effect

Soil-Arch Effect

Biological effect ratio

Common ratio effect (Allais)

local effect ratio

shading effect ratio

resistance－ to－ action effect ratio

arch rib and arch tile

beam-arch structure on arch

tied arch bridge with steel arch rib

AO effect (=acoustic-optical effect)

Biological heating effect and biological non-heating effect

effect and adverse effect

effect and converse effect

Effect size effect magnitude

end-and-end effect (= end-to-end effect)