positive colour

Colour reversal: A colour film or paper which produces a positive image directly from a positive original. Combination line and tone: A single print or piece of film combining half-tone and line work.

彩色反转：一种彩色菲林或相纸，它把阳图原稿直接复制成阳图。网点线条混合：结合半色调网点和线条图形的相片或菲林。

Recording the red green and blue colour information of a colour positive film separatly on one or two holographic plates with a white light source and three code holograms and three light filters.

通过使用三张编码全息片和三种滤光片，用白光将彩色正片的红、绿、兰三色信息记录在一张或两张全息片上。

A colour film or paper which produces a positive image directly from a positive original.

一种彩色菲林或相纸,它把阳图原稿直接复制成阳图.

Colour transparency: A full colour photographic positive on film.

彩色透明片：带有全部色彩的阳图菲林。

This paper makes a systematic study on application of negative absorption spectrophotometry in add colour photometry about chromogenic agent by colour compound and establishes dual wavelength spectrophotometry of positive and negative absorption that can determine real and signal absorbance of real absorption peak.

本文对负吸光度用于有色显色剂的生色法进行了系统的研究，提出了能测真实吸收峰的真实吸光度对信号吸光度的正、负吸光度双波长法。