它们用2英寸的模拟磁带记录并为后代保存。
They were recorded on 2-inch analog tape and stored for posterity.
本文围绕着模拟磁带记录地震仪，如何应用于工程地震领域中，进行基底勘查这个问题，从地震仪的改制原理、模拟磁带记录数据的采集处理，及其实际应用效果三方面进行了论述。
The discussion contained following three aspects:the renovation principle of the seismograph sampling process of the analogtape records as well as the effet of its practical application.
计算机兼容数字磁带(CCT)转换记录装置的功能是把多通道模拟信号高速地转换为数字信号。
The function of CCT (Computer Compatible Tape) conversion record apparatus is to convert multichannel analog signals into digital ones at high speed.
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