基本解释n. 照相制版法；反光通信法；太阳面研究英汉例句双语例句"The discovery I have made and which I call Heliography, consists in reproducing spontaneously, by the action of light…"——Joseph Nicéphore Niépce.我将这次探索的结果称为日光图，在于借着光的作用自发再现……专业释义天文学拍摄太阳印刷、复印技术日光胶版术语言学太阳面研究