The message wasreproduced at the receiving station on electrochemically sensitivepaper, which left a blue mark when an electric current was passedthrough it.
在电化学感光纸的接收站可将信息再次生成。当电流通过感光纸会留下一带蓝色的印记。
The message wasreproduced at the receiving station on electrochemically sensitivepaper, which left a blue mark when an electric current was passedthrough it.
在电化学感光纸的接收站可将信息再次生成。当电流通过感光纸会留下一带蓝色的印记。
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