The improvement on a self-determining circuit for the scaling value of magnetic variometer 磁变仪标度值自动测定电路的改进
Experiment about new layout of magnetic variometer 提高水平分量磁变仪定向稳定性及记录线性的新布局实验
Directing of horizontal component magnetic variometer and directional checkout are important operation to guarantee quality of record. 水平分量磁变仪定向与定向检查是保证记录质量的一项重要工作。
Magnetic variometer power used in multi-functional photographic paper recording 多功能照相记录磁变仪电源
The Volume Effect of the Thermo-magnetic Alloy Piece in the Variometer 磁变仪热磁合金片的体积效应