锐度–是指图片焦点是否对准。
SHARPNESS - refers to whether an image appears to be in focus.
在上面的这幅图片里，天空有很多种材质——太阳的亮部，云的细节构成了一个显著的焦点。
In the first photo above, there is much texture in the sky – the highlights of the sun and detail of the clouds make it a prominent focal point.
管这种屏幕离你的视网膜之有几毫米远，但只要焦点选择正确，你仍旧可以看到清晰的图片。
This screen is a few millimeters away from your retina, but as long as the focus is right, you can still see a clear picture.
当图片被查看时，用户就能看到一个区域被标记，并且在给予区域焦点(鼠标或键盘)时，该区域的相关注释就会显示出来。
When the image is viewed a user can see a region has been marked up and on giving the region focus (mouse or keyboard) the note relevant to that region will be displayed.
你需要重点式选择时的中心主题摄影图片、主要对象是所有目光的焦点。
You need a focal point - like when a photographer chooses the central subject of a picture, the primary object on which all eyes focus.
柏斯·普林森的摄影图片显示了城市景观和剩余空间的“边缘状态”，着重把焦点放在人们如何把隐藏的潜力转换成高度集中的使用。
Bas Princen's photographs show glimpses of "edge condition" landscapes and leftover Spaces of the cities, focusing on how the people use hidden potentials for highly specified USES.
柏斯·普林森的摄影图片显示了城市景观和剩余空间的“边缘状态”，着重把焦点放在人们如何把隐藏的潜力转换成高度集中的使用。
Bas Princen's photographs show glimpses of "edge condition" landscapes and leftover Spaces of the cities, focusing on how the people use hidden potentials for highly specified USES.
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