偏光片还可以增加照片对比,因为他们可以消除反射。
Polarizers can also increase the contrast of a photograph because they can remove reflection.
第一次使用调色液时可以使用一张相同的照片放入预备调色盘中和调色的照片对比调色效果。
When first using Selenium toner have an identical print as a reference in the holding tray of plain water.
在第二个实验中,卡耐基梅隆大学的研究人员申请拍摄校园内学生的照片,并将其与Facebook上的照片对比。
In the second experiment, the Carnegie Mellon researchers asked permission to take pictures of students on campus. They compared these to photos on Facebook.
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