【计】 dropped channel
cancel; abolish; annul; call off; countermand; cry off; rescind; retract
rule out
【计】 backing-out; backout
【医】 ant-; anti-
【经】 abolish; abrogate; abrogation; cancel out; cancellation; cancelling
countermand; hold back; rescind; rescission; set-aside; take off
【计】 C; CH; channel; signal channel