In years past, spicules had been judged too cool to be a source of the hightemperature plasma that, among other things, generates the sun's ultraviolet light.
过去，人们认为针状体的温度太低，除了产生太阳的紫外线，并不足以作为高温等离子体的发射源。
2
It is an important term in photography to denote the quality of a light source. Sources rich in red light have a low colour temperature and sources rich in blue light have a high colour 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
It has much characteristic such as hightemperature, large density of heat discharge and controlled atmosphere, and it supplied a new heat source.