actual quantity over standard quantity

actual quantity under standard quantity

rainfall quantity rainfall quantity

Geometrical Optics-physical optics

Waveguide optics and integrated optics

large quantity credit

小量义(meaning of little quantity) format

3D Green Quantity

a negligible quantity

a small quantity of

abnormal information quantity S

abrasion quantity

Absolute Information Quantity

absolute quantity

absorbed hydrogen quantity

Absorbing quantity

absorption quantity

abstract quantity

accumulating quantity