碘化银纸照相法可以连续印刷，因此它等同于蚀刻或雕刻。
The calotype could be made in series, and was thus the equivalent of an etching or an engraving.
如今，利用放射性碳素测定年代法，科学家已确定这一用乳齿象牙雕刻而成的长矛尖端的精确年代。
Scientists have now accurately carbon-dated the sharp tip that itself carved from mastodon bone.
通常所采用的几种储存方法是：影印法、照相蚀刻、机械雕刻和模板。
Serveral of commonly used methods are photoprinting, photoengraving , mechnical engraving , and stencil.
通常所采用的几种储存方法是：影印法、照相蚀刻、机械雕刻和模板。
Several of commonly used methods are photoprinting, photoengraving, mechanical engraving, and stencil.
通常所采用的几种储存方法是：影印法、照相蚀刻、机械雕刻和模板。
Several of commonly used methods are photoprinting, photoengraving, mechanical engraving, and stencil.
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