powder photography

英 美
  • 粉末照相术
  • photography n.摄影
  • powder n.粉末;粉;火药;细雪vt.洒粉于;使变成粉;重击vi.变成粉;涂粉
Noun:
  1. a process for identifying minerals or crystals; a small rod is coated with a powdered form of the substance and subjected to suitably modified X-rays; the pattern of diffracted rings is used for identification

【邻近词汇】