Constraint， project constraint

chain risk of supply chain

chain to chain competition

close-link chain [= short-link chain]

heavy chain h chain

multi-pulse mode chain {= MP mode chain}

the system of supply chain and reverse supply chain

variable region gene of heavy chain and light chain

3D constraint

3-D constraint inversion

3D geometric constraint

abundance sum-to-one constraint(ASC)

access constraint

access right constraint

accuracy constraint

action constraint

action number constraint

active constraint

Active Loop Closure Constraint