因为瓦熊所拍摄的许多原版底片都被毁坏了,所以出现在这本黑白相册中的照片都以电子版的形式被保留了。
Many of the original negatives of Vachon's photographs were damaged, so each of the black-and-white images in the book was digitally restored.
本文介绍一种电子显微镜底片冲洗的新方法。
A new method to develop electron microscope films is introduced.
本文介绍一种电子显微镜底片冲洗的新方法。
A new method to develop electron microscope films is introduced.
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