Nested <c:out> tags take advantage of the EL's built-in support for Map collections to look up row data corresponding to column names.

嵌套的<c:out> 标记利用EL内置的Map 收集支持来查找与列名称相对应的行数据。

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On the basis of soil survey analysis and soil column study, Soil Vapor Extraction Equipment installation and SVE extracting and monitoring system are designed and built-up.

在现场土壤调查分析以及土柱实验基础上，设计并建立了SVE试验装置、抽提及监测井系统。

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Furthermore, the displacement column model is built, combined with the model of the CSTR model, they have made up of the total polymerization unit model.

另外，本文还建立了目前文献中还未出现的置换塔模型，与聚合釜模型一起，构成了整个聚合单元的完整数学模型。

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