For this purpose, the concepts on grey earthquake intensity, grey classification of site soil, normality degree of the working of structures and grey reliability of structures are defined.
为此，提出了灰色地震烈度，场地灰类、结构工作正常度以及结构灰色可靠度等概念及其计算方法。
For this purpose, the concepts on grey earthquake intensity, grey classification of site soil, normality degree of the working of structures and grey reliability of structures are defined.
为此，提出了灰色地震烈度，场地灰类、结构工作正常度以及结构灰色可靠度等概念及其计算方法。
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