This reversal process can be seen in the pale magnetic record, locked into rocks of the ocean floor and in some lava flows.
这个倒转过程能在古地磁记录中看到，这些记录被锁定在海底的岩石里和一些熔岩流中。
analog seismograph tape recorder
模拟磁带地震记录仪
4. compute the disk address, and read her record,
4.计算磁盘地址和读出她的记录，
wipe out magnetically recorded information.
把记录的信息磁力地清除。
The purpose of reoccupations is to keep track of diurnal variations in the earth's field.
重测的目的在于记录地磁场的日变。
recording reproducing head
记录-重放磁头, 录音-放音磁头
"On dictation equipment, a device for accurate alignment of playback head, or combined head, to the track on the recording medium."
录音设备上的一种装置，它能精确地把重放磁头或组合磁头调准到记录介质的磁道上。
The record of the wave called a seismogram imprinted on paper, film, or recording tape or is stored and displayed by computers.
称作地震图的震动波的记录被刻录在记录纸、胶片或磁带上，或者由计算机来储存和显示。
digital magnetic tape record type strong-motion instrument
数字磁带记录强震仪
high-density digital recorder
高密度数字磁记录机
drum for video signal recording heads
视频信号记录磁头鼓
variable length record disk sort
可变长度记录磁盘分类
variable length record disk set
可变长度记录磁盘装置
tape recorder of digital logging
数字测井磁带记录仪
analog magnetic tape record type strongmotion instrument
模拟磁带记录强震仪
automatic hysteresis loop recorder
磁滞回线自动记录器
magnetic ink character recorder
磁性墨水字符记录器
magnetic differential flow recorder
磁性压差流量记录仪