The writer, as one participant of the experimental task, has done a great deal of practical job to test and prove the "course standard".
笔者作为实验课题的参与者之一，对《课程标准》的验证作了大量的实际工作。
Experimental task: design an entity Bean, a query to the database.
试验任务：设计一个实体Bean，实现对数据库的查询。
Experimental task: design an entity Bean, a query to the database.
试验任务：设计一个实体Bean，实现对数据库的查询。
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