- class a certification
- 认证: attestation; authentication; ...
- b类认证: class b certification
- 认证: [法律] attestation; authentication; identification◇认证费 certification fee; 认证条款 testimonium clause; 认证遗嘱 prove a will
- fcc认证: fcc certification
- 等认证: ccie/ccip/ccsp
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