...博，获取用户微博，获取用户详细信息等各种任务 int taskId//当前任务的ID Map params //当前任务的参数 MainService(核心控制类) 1.
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activerecord类是Rails的一个核心组成部分，它将关系型表映射为Ruby对象，使其成为控制器可以操作并能在视图中显示的数据。
A central component of Rails is the class ActiveRecord, which maps relational tables to Ruby objects and thereby to the data manipulated by controllers and shown in views.
《运动控制系统》是高等院校电类自动化专业的一门核心专业课程，具有实践性强、内容更新快、教学难度大等特点。
Motion control system, with the characteristics of high practice, rapid update and great teaching difficulty, etc, is the core curriculum of electrical automation major in college.
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