Controlling voltage balancing of flying-capacitor multilevel inverter is very important to its safe operation.

控制悬浮电容电压的平衡是保证悬浮电容多电平逆变器运行安全的关键。

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This paper focuses on the REMOVE operation of multilevel XML under the constraint of the hierarchy and the integrity.

对多级安全XML文档的元素删除操作进行了研究。

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