【法】 certified under the hand of
by way of; via
【经】 via
a scratch of pen; autograph; sign
【化】 signature
prove; certify; argue; demonstrate; justify; manifest; testify; vouch
【计】 proofness; proving
【化】 proofing
【医】 certificate; certify; proof
【经】 attest; attestation; authenticated; authentication; certification
certify; testimony