This article analyzes such Characteristics as sensitivity, fog density and contrast of the colourpositive.
分析了彩色正片的感光度、灰雾度和灰差度等特性；
2
It also points out that under relevant conditions, the correcting method for colour nonequilibrium has guiding significance in the developing and printing process of colourpositive.
指出了相应情况下，颜色不平衡的校正方法。对于彩色正片的洗印过程有一定的指导意义。
3
Upon hearing such a positive affirmation of his work, Colour Sgt Todd, tired to the point of breaking, had just one response: he cried.