The over - temperature function incorporates a bi - stable relay that retains its position during power failures.

报警器还配置双稳态继电器,在停电时,监测过热的功能仍然能够正常工作.

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In this paper an analytical model for bi - stable composite shell structures with piezoelectric layers is proposed.

本文建立了含压电层双稳态复合材料层合壳的力学模型,给出了表征结构延展和折迭过程能量的数学表达式.

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