在XSD SDO Transform特性中提供的ObjectUtil辅助类，包含合计和其他工具api，来操作sdo对象。
The ObjectUtil helper class, provided with the XSD SDO Transform feature, contains aggregate and other utility APIs that operate generically on the SDO objects.
本文介绍了手杖用途、步行辅助工具的种类、使用步行器所需条件、与杖类处方有关问题以及注意事项。
The paper introduce use of walk stick, kinds of walk supplementary tools, condition of using walk instrument, problems about walk stick recipe and pay attention to item.
该辅助教学平台主要针对国内高职高专类学校嵌入式应用技术课程的辅助教学开发，也可以作为一般本科生和社会短期培训学员的入门工具之用。
The teaching-aided platform aim at the teaching of domestic technology institute, undergraduate and short-term trainees, it also can be used as toolkit for embedded system course.
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