为避免这样的问题，通常可取的办法是提供一个进度工具条形式的可视反馈，这个工具条根据运行着的任务来移动。

To avoid such problems, it is often advisable to offer visual feedback in form of a progress bar that moves according to the progress of the running task.

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如果您想完全避免冲突问题，请为您的发起队列选择一个不以system开始的名称。

If you want to avoid this problem altogether, choose a different name for your initiation queue that does not begin with SYSTEM.

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因此，只要避免为问题和底层硬件选择完全不合理的参数，就会获得不错的结果。

So as long as you avoid choosing completely unreasonable parameters for the problem or the underlying hardware, you will get good results with little tuning.

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