你对肖像照中的软失焦背景处理是对的，大多数情形下这是突出主体，并避免多余背景干扰的好方法。
You're right about the soft blurry backgrounds in portraits - in most cases they are a great way to highlight your main subject and get rid of any distractions in the background.
因此，通过选择简单的背景，避免不相干的物体相互干扰，靠近(主体)等方法，可以使你的图片更简洁，使你的趣味中心点得以加强。
So, you can simplify your pictures and strengthen your center of interest by selecting uncomplicated backgrounds, avoiding unrelated subjects, and moving in close.
该方法利用事件的框架知识对事件相关文档进行预测，利用事件主体信息来降低其他事件的干扰，并对事件与文档的相关评价函数进行了改进。
In the method, event frame is used for predicting the relevant documents, and event body is used for reducing interference of similar event, and evaluation function of system is improved.
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