书中的女主角乔是作者的影子，写来更具光彩。
The heroine of the book is the author of the shadow, to write more glorious.
首先，我打开拍摄的源照片，这张照片主要是为分离人物和地面上影子而拍摄的(这里是说，作者需要一张易于扣取人物及其影子的照片——译者注)。
First off I opened the original image resulted from the shooting with the main purpose being isolating the character and the shadows on the floor.
外界环境下的光源系统，不可避免出现光源的一个影子，当操作者移动时，金属的反射会引起光的变化，因此聚焦条会闪烁。
The kind of environment light , the shadows we simply have when the operator moves, the sharp metals reflection can cause light changes and therefore the focus bar instability.
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