The sensor successfully detected the weak but regular magneticpattern of the heartbeat.
传感器成功探测到心跳所伴随的微弱而规则的磁场变化。
2
Based on geological, gravity and magnetic, seismic, logging, physical properties of rocks and testing data, the spatial variation pattern of density in Dongying sag is established.
本文以地质、重磁、地震、测井、岩石物性及分析测试资料为基础，首次建立了东营凹陷密度的空间变化模式。
3
Nowadays there are many methods to observe the magnetic domain structure, including powder-pattern method, magneto-optical effect method and electron holography method, etc.