成就测验就是根据课程标准和教学目标要求编制，用以测量学生对某一学科领域知识、概念、法则等掌握程度的学绩测验。
The achievement test designed according to the curriculum criterion is to measure to what degree students master the concepts, the principle and the knowledge in certain fields.
根据用户选择的基本设计参数，得到调用对应的零件族中的某一个实例零件，实现标准件的调用。
In the basis of parameter, we can get a special part which comes from corresponding parts, finally the designing of standard unit comes true.
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