The first array wave in digital record is earlier than that in analogrecord, and with longer duration. It also found that the most of the ear...
数字记录的初至波早于模拟记录，且持续时间较长，大部分的数字地震震级比模拟记录、标准震级小。
2
The function of CCT (Computer Compatible Tape) conversion record apparatus is to convert multichannel analog signals into digital ones at high speed.
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。
3
Data record unit complete data acquisition, which records analog quantity data, parallel and serial digital data, parallel and serial graphic data from the signal source to CF card.