Accurate operation equation and setting calculation on microprocessor based UL-P loss of excitation relay are analyzed in this paper which has supplied a deficiency in some works or papers.

分析了微机ul P失磁继电器的准确动作方程及整定计算方法，弥补了某些文献的不妥或不足之处。

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For example, both the concept body and the task prerequisites permit common block elements such as p paragraphs and ul unordered lists.

例如，概念主体和任务先决条件都允许公共块元素，如 p （段落）和 ul （无序列表）。

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The core elements in DITA's topic DTD borrow from HTML and XHTML, using familiar element names like p, ol, ul, and dl within an HTML-like topic structure.

DITA主题DTD的核心元素借自html和XHTML，在类似HTML的主题结构中使用众所周知的元素名如p、ol、ul和dl。

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