Logging cable magneticmark, as the standard of perforating depth, lays an important role in the exploration and development of oilfield.
电缆磁性记号作为测井射孔的深度标准，在油田勘探开发中占有极其重要的地位。
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Shuttle commander mark Kelly thanked the ISS crew for their help after they successfully installed the Alpha Magnetic Spectrometer, which Kelly called "a remarkable thing for physics and for science."
The principle, characteristics and application of plastic electroplating mark, magnetic-controlled splash filming mark and branding mark are introduced.