1·The discovery I have made and which I call Heliography, consists in reproducing spontaneously, by the action of light.
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。
2·"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……