To supervise on battery and configure properly their capacity is propitious to battery life and keep UPS system operate in a stable and safe status .

对蓄电池组进行监测管理与合理配置容量，有利于延长其寿命，保证 UPS系统稳定、安全 运行。

His ups and downs in the American literary history is a mirror of the emergence development and status quo of West studies .

在文学史上，他的 声誉曾几度沉浮，大体反映了过去70余年来美国韦斯特研究的发展、变化和 现状。

And then analyzes the structure working status of the UPS . Mathematical models of Delta converter and main converter are built .

然后对 串 并联 补偿 式 UPS 的 拓扑结构、工作 状态进行了理论分析，并分别对Delta变换器、主变换器建立了数学模型。

Monitoring of UPS and the management of its status database

UPS监控及其 状态数据库管理