The process of segmentation is distinct from targeting (choosing which segments to address) and positioning (designing an appropriate marketing mix for each segment).
划分的过程和确定目标（选择要针对的划分）及定位（为每个划分设计适当的市场营销组合）不同。
In device driver segment the principle of choosing driver develop tools is explained, at last the structure and writing steps of device driver are discussed.
驱动程序开发部分论述了驱动程序开发工具的选择的原则，介绍了驱动程序的结构和驱动程序的开发过程。
Chapter 5, make market segment, choosing and position.
第五章对气动产品市场进行细分，选择和定位。
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