So studying Tempera is significant to develop the modern painting material.研究丹配拉绘画,对现代绘画材料的拓宽有着极为重要的意义.P > Tempera was used to paint frescos hundreds of years ago.数百年前蛋彩画颜料被用来画壁画.Certain pigment colours were painted on t...
Certain pigment colours were painted on to dry plaster using tempera (where egg yolk is used to fix the pigment).使用蛋彩画颜料（内含可以定色的蛋黄）在干石膏上绘出了特定颜色。So studying Tempera is significant to develop the modern painting material.研...
“那是一种粉虱，对吗？”——“是的，是粉虱。”"That's a type of whitefly, is it?"— 'Yes. it is a whitefly.'北京地区粉虱分类研究 ( 同翅目: 粉虱科 )A TAXONOMIC STUDY ON WHITEFLIES IN BEIJING ( HOMOPTERA: ALEYRODIDAE )结果表明,烟粉虱对供试植物有明显的选择性,其嗜好程度为花椰...