over-restriction and reverse restriction

control amplifier {blanking and mixing amplifier}

log amplifier and antilog amplifier

3-D restoration

3D restruction

a Series of Restriction

absence of restriction

access restriction

access restriction enforcement

accessibility surface of ecological restoration model

account roaming restriction

accounting restriction

accumulation restriction

action potential duration restitution

active restriction

address restriction

administrative restriction

aerosol optical depth restriction method

Aesthetic restoration