What are the field specifications of the source data (field name, type, data length)?

源数据的字段规格是什么(字段名、类型、数据长度)？

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Create an inline map between the source Price and the target Field array index 3, using Price for the name attribute and Real for the type attribute.

在源price和目标Field数组索引3创建内联映射，对name属性使用Price，对type属性使用Real。

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Create an inline map between the source Quantity and the target Field array index 4, using Quantity for the name attribute and Real for the type attribute.

在源Quantity和目标Field数组索引4创建内联映射，对name属性使用Quantity，对type属性使用Real。

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