In the main text of the current of the more common email security policy analysis and research unit for my actual email by setting appropriate security policies, improve the unit's E-mail security.

文中主要对当前较为普遍的邮件安全策略进行分析研究，针对我单位的实际情况，通过设置合适的邮件安全策略，提高本单位的邮件安全性。

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The main factors are analyzed influencing the unit loss of DC current. The measures to improve the process and their efficiencies to reduce the unit loss of DC current are summarized.

文章分析了影响锌电解直流电单耗的主要因素，总结了降低直流电单耗的工艺改进措施及效果。

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