You don't need to remove JFace/SWT listeners, as long as the object you're adding them to is disposed in a timely fashion.
只要从中添加侦听器的对象会及时删除，您就无需删除 JFace/SWT 侦听器。
Systematic evaluation in the process of teaching may examine the extent to which the task and object is realized and obtain timely feedback and adjustment.
对教学过程的系统评定可以根据教学任务完成的程度，及时获得反馈而进行教学调整。
You should use this method to free the underlying COM object that holds references to resources in a timely manner or when objects must be freed in a specific order.
应及时(或者在对象按指定的顺序必须释放时)使用此方法，来释放引用某些资源的基础COM对象。
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