数据整合方法包括三个主要阶段。
这个主要的项目研究分三个阶段实施：包括聚焦组合和与调查者面对面，来自一个大范围的不同背景的人们的普通见解。
The research for this major project was carried out in three stages - involving focus groups and face-to-face surveys - to canvas the views of a broad spectrum of people from different backgrounds.
吹塑成型是成型中空塑料制品的主要成型方法，其成型过程包括型坯成型、型坯吹胀和制品的冷却固化三个阶段。
Blow molding is the main molding method for the hollow plastic products, including three steps such as parison formation, parison inflation and cooling solidification in its molding process.
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