calotype

音標發(fā)音

While the earlier process produced high-quality, one-of-a-kind pictures, the calotype process produced several copies of a lower quality.
早期的照相法能沖印高質量的單張照片，而碘化銀紙照相法能沖印低質量的多張照片。
In 1840 he developed the calotype;an early photographic process that improved on the daguerreotype, it involved the use of a photographic negative, from which multiple prints could be made.
1840年他開發(fā)卡羅式照相法，這是一種改良達蓋爾式照相法的早期照相方法，它使用一種攝影負像，由此可以復印多份照片。

an early photographic process invented by W. H. Fox Talbot, in which the image was produced on paper treated with silver iodide and developed by sodium thiosulphite