英语语法分析

The calotype could be made in series, and was thus the equivalent of an etching or an engraving.

碘化银纸照相法可以连续印刷，因此它等同于蚀刻或雕刻。

Talbot's "calotype" was the first negative-to-positive process and the direct ancestor of the modern photograph.

塔尔博特的“卡罗式摄影法”是第一种用负片洗印正片的方法，这种方法是现代摄影技术的直系鼻祖。

The calotype was revolutionary in its use of chemically treated paper in which areas hit by light became dark in tone, producing a negative image.

卡罗摄影法对化学处理纸的使用是革命性的，其中光照区域色调变暗，形成负像。