RATING – official certificate attesting to a pilot's skill level.
评级-证明飞行员技术水平的官方证书。
You can either get an official certificate from a signing authority or ignore this message.
您可以从签名授权机构获得一个官方的证书，或者忽略该消息。
Our quality certificate is made valid by means of official seal.
我们的质量证书盖了公章方为有效。
Our quality certificate is made valid by means of official seal.
我们的质量证书盖了公章方为有效。
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