摘要: The National Product Data Exchange using STEP (PDES) project at the National Institute of Standards and Technology (NIST) is focused on the development and implementation of the emerging international Standard for the Exchange of ... 展开 The National Product Data Exchange using STEP (PDES) project at the National Institute of Standards and Technology (NIST) is focused on the development and implementation of the emerging international Standard for the Exchange of Product Model Data (STEP). One sub-project within the Testbed is the effort to establish an Application Protocol Development Environment (APDE). The report documents the requirements for an APDE. The requirements provide guidance as to what capabilities an APDE should provide. 收起