It is an important term in photography to denote the quality of a light source. Sources rich in red light havea low colour temperature and sources rich in blue light haveahighcolour temperature.
色温是光源质量的指示，对摄影方面很重要。低色温的光源的光源偏红，高色温的光源偏蓝。
3
Two kinds of effective colour modifying technology have been attained by adjusting a series of parameters:(1) the technology of partial step up pressure and high temperature heat treatment;