Test results show that the system safe functions of tractive elevator meet the demands, and the model is in good operation.
测试结果表明，系统达到了所要求的安全功能，电梯运行良好。
Reactive power optimization is an effective measure to keep power system safe and economical, and an important method to improve voltage profile.
电力系统无功优化配置是保证系统安全、经济运行的一项有效手段，是提高电压质量的重要措施。
Reactive power optimization is an effective method to keep power system safe and economy, and it's an important measure to improve voltage quality.
电力系统无功优化配置是保证电力系统安全、经济运行的一项有效手段，是提高电压质量的重要措施。
To guarantee the system safe, this thesis designed a new kind of Identity certification method based on the mode of keywords and public-key certification.
为了保证本系统的安全性，本论文结合基于口令和公钥的认证模式，设计了一种新型的身份认证方法。
The rule of electric work tickets is an essential rule to assure electric Power system safe production, is a effective safe measure to prevent wrong operation.
工作票制度是保证电力系统安全生产的根本制度，是电力运行管理中一项防止误操作的有效安全措施。
The rule of electric work tickets is an essential rule to assure electric Power system safe production, is a effective safe measure to prevent wrong operation.
工作票制度是保证电力系统安全生产的根本制度，是电力运行管理中一项防止误操作的有效安全措施。
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