具体操作就是：后台--目录(Catalog)--商品类型(Product Types)--商品-普通,zen cart系统设置了：商品-普通，商品-音乐， 文档-普通，文档-商品，商品-免运费，这几种商品类型。
基于18个网页-相关网页
... 3.2产品运用Applications 3.3产品种类Product types 兰格耦合桥Lange couplers 功分器Power dividers 滤波器Filters ...
基于11个网页-相关网页
Product types and specifications 产品品种和规格
All Product Types 所有商品类型
Identification of product types 产品类型识别
More product types 产品种类多
Product Types Covered 产品种类涵盖
Product Types Include 产品种类有
Product Types Include Faucets 产品类型囊括水龙头
In other words, a task shall not have too many different output work product types.
换句话说，一项任务不应有太多的工作产品输出类型。
The third article describes how to extend the Product Domain using the new specs feature by creating "soft product types."
第三篇文章通过创建 “软产品类型（soft product type）” 使用新的 specs 特性对 Product Domain 进行扩展。
Similarly any new product types you added in the product type hierarchy can be added into the model with a related set of services if required.
类似地，如果必要的话，添加到产品类型层次结构的任何新产品类型都可以添加到一个具有相关服务集合的模型中。
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