当更小的孩子学习计算机科学时，他们知道它不仅仅是一串令人困惑的、无穷无尽的字母和数字，而是一种构建应用程序、创作艺术品或验证假设的工具。
When younger kids learn computer science, they learn that it's not just a confusing, endless string of letters and numbers—but a tool to build apps, or create artwork, or test hypotheses.
浏览器和其他使用数字证书的程序都可以验证这个证书已经被其属主或CA撤销了。
Browsers and other security applications using digital certificates can verify that the certificate has not been revoked by either the owner or the ca.
使用数字证书的客户机身份验证可以帮助克服凭据被破坏的问题，从而让您对应用程序的安全性更加有信心。
Client authentication using digital certificates helps overcome the problem of using compromised credentials and provides a better sense of security about your applications.
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