【经】 confirmatory sample
affirm; countersign; notarize; validate; acknowledgement; affirmance
identification; verification
【计】 ACK; ACK0; ACK1; acknowledgement; AK; confirm; confirm on; confirmation
【医】 affirmation
【经】 ratify; recognize
example; sample; specimen; stylebook; swatch
【化】 sample
【医】 sample
【经】 advance sheets; dummy; sample; specimen; specimen copy