感应磁力仪与前置放大器之间的匹配问题是大地电磁测深仪中最关键的一项技术。
Matching a inductive magnetometer with its preamplifier is the keyest technique in magnetotelluric sounding system.
纽约城市大学的研究学者们正在用“全脑磁力刺激法”（TMS）来研究大脑中的磁感应区和记忆形成功能之间的关系。
Researchers at the City University of New York are using transcranial magnetic stimulation, or TMS, to learn more about how magnetic fields affect areas of the brain associated with memory formation.
理论解析表明，运用交变电磁力在液体金属内生成的磁声波的强度和所施加的静磁场的磁感应强度和交流电流的电流密度的乘积成正比；
The theoretical analysis shows that the intensity of the generated waves is in proportion to the product of the imposed static magnetic field and alternating electrical current.
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