红外线谱把这些保存在玻璃板之间的残片上肉眼无法识别的墨迹显现出来，并拍成照片。
The fragments, preserved between sheets of glass, respond to the infra-red spectrum - ink invisible to the naked eye can be seen and photographed.
红外线谱把这些保存在玻璃板之间的残片上肉眼无法识别的墨迹显现出来，并拍成照片。
The fragments, preserved between sheets of glass, respond to the infra-red spectrum - ink invisible to the naked eye can be seen and photographed.
应用推荐