During registration, either the client provides the public key, along with some proof of possession of the corresponding private key, or the service provider generates the key pair for the client.

在注册期间，要么是客户机提供公钥以及其他证明其拥有相应私钥的某些证据，要么是服务提供程序为客户机生成密钥对。

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Please present the application form together with proof of your home address (e. g. electricity bill, water account etc.) at the registration counter.

请将申请表格连同住址证明文件(例如电费单、水费单等)交回申请处。

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Article 6 a civil aircraft nationality registration shall not serve as the proof of ownership of the civil aircraft.

第六条民用航空器国籍登记，不得作为民用航空器所有权的证据。

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The boats were all lined up ready to go, when some bureaucrat showed up and told them they couldn't go out on the water unless they had proof of insurance and registration.

CNN: Transcript of Gov. Jindal's GOP response to Obama speech