The clarity-evaluation-function of out-of-focus blurred image is a key factor for auto-focusing by digital image processing and the accuracy and efficiency of the function need to be improved.

离焦模糊图像清晰度评价函数是采用数字图像处理技术实现自动调焦的一个关键．需要不断地提高评价函数的准确性和有效性。

Only a bit out of focus.

只是焦距有点不对.

The Blip is out of focus.

雷达的影像模糊不清.

This photo is out of focus.

这张照片不清楚。

This photograph is out of focus.

这张照片模糊。

Getting things out of focus takes work.

把事情出来工作的重点需要。

Words swam across the page out of focus.

页面上的文字模糊不清.

For me, your explanation is a bit out of focus.

对我来说, 你的解释还不太清楚.

Sometimes Lucy herself seems a little out of focus!

有时候，露西自己也有些不着调！

When the vertical line is in focus, the horizontal is out of focus, and vice versa.

当纵线的焦点对准时, 横线则失准;反之将横线对准时, 则纵线又失准.