综述了磁带记录在地震观测上的应用，主要介绍了模拟和数字磁带记录和相应的时间服务系统的情况。
The second paper elaborates the application of tape recording to earthquake observations, mainly describing the analogue and digital tape recording and the corresponding time service systems.
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.
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.
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