PD F文件包括多种安全选项——从访问限制到电子签名——帮助保护敏感的公司信息。
PDF files include a variety of security options - from access restrictions to electronic signatures - that help protect sensitive company information.
敏感的军用设备可以被保护起来，范围内的微波同样会废掉友军电子设备。
Sensitive enemy military equipment can be shielded, and microwaves also disable friendly electronics within range.
目前已经收紧了电子邮件的接驳权限以及复印范围，同时还提高了敏感信息的保密等级。
It has now tightened access to the e-mails and the scope to copy them. Sensitive information will have to receive a higher classification.
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