此型态转换可能会产生一个以上的结果。

The type conversion can produce more than one result.

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使用型态转换将返回的对象转换成期望的服务接口类型的对象。

Use typecast to convert the returned object to the desired service interface type.

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然而，传统自组映射图只能处理数值型资料，种类型资料必须透过编码转换成一群二元数值型态资料，因而无法反映种类型资料值之间的相似程度。

However, conventional SOMs handle only numerical data, categorical data has to be converted to Boolean data resulting in unable to disclosure the similarity among the high-dimensional data.

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