The method was illustrated by experiment on plain laser paper to combine relativecontrast and color contrast to obtain optimum solid density of printing.
以素面镭射纸为例，通过实验，阐述了结合相对反差和色彩反差来确定印刷最佳实地密度的方法。
2
Air China, in contrast, entered the latest round of negotiations with Cathay from a position of relative strength.
相比之下，国航在与国泰进入最后一轮谈判时，境况则相对较好。
3
Humans, by contrast, are able to construct a mental model of a scene from a photograph by taking into account the relative sizes of recognised objects, the laws of physics and some basic common sense.