WPKI plays an important role in mobile e-commerce, and the certificate retraction technology is its key component.

无线pki技术在移动电子商务中扮演着重要角色，而证书状态查询机制是其关键部件。

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The digital certificate realizes the key element that the trust and trust of the entity verified in E-government and E-commerce.

数字证书是实现电子政务和电子商务中实体的信任及信任验证的关键元素。

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