【法】 affirmative proof
affirm; countersign; notarize; validate; acknowledgement; affirmance
identification; verification
【计】 ACK; ACK0; ACK1; acknowledgement; AK; confirm; confirm on; confirmation
【医】 affirmation
【经】 ratify; recognize
attestation; evidence; proof; telltale; testimony; witness
【医】 testimony
【经】 attestment; evidence; exhibit; proof; testimony