As such JSF 2.0 is a significant overhaul of the JSF specification and aims to address a number of the key pain points developers encounter when working with the web framework. Key changes include.
JSF 2.0是JSF规范的一次重要革新，其目的在于解决开发者使用Web框架时所遇到的诸多问题。
Then the key points in design of the automatic drawing die were discussed, including the structure, the working procedure, and the automatic feeding mechanism.
介绍了铝茶壶嘴的成形工艺，自动拉伸模具的结构、工作过程、设计要点及自动送料机构。
Moulding technology of specular seat is analyzed and the injection mold of this plastic part gets designed furthermore working process and key points of die design and manufacture are provided.
分析了镜座的成型工艺，设计了该塑件的注射模，并介绍了该模具的工作过程和模具的设计与制造要点。
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