我特别强调关于照相技术的一些事情，这是其中一项。
There are few things I am emphatic about in photography technique, but this is one of them.
Chris Black先生(电话+ 41 22 791 1460或移动电话+ 41 79 472 6054)可为传媒提供关于世卫组织照相服务处的信息。
Information on the WHO Photo Service for media can be obtained from Mr Chris Black, Tel. + 41 22 791 1460 or mobile: + 41 79 472 6054.
三色性的属于，关于或有三种颜色的，如在照相或印刷中。
Of, relating to, or having three colors, as in photography or printing.
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