本文用典型事件和统计分析论证了行星际磁场北向分量触发地磁扰动的可能性。
The possibility of triggering the geomagnetic disturbances by the northward Bz component of the IMF is discussed using some typical events and statistical analyses.
此线的东北与西南，地磁湾扰、磁暴急始等短周期事件垂直分量的变化△z呈现反号。
Z (Changes in the Vertical field) for the sudden storm commencements and geomagnetic bays to the northeast and southwest of this line appear opposite in signs.
地磁场水平分量的测量在很多领域占重要地位。
The measurement of horizontal component of the geomagnetic field occupies the important position in a lot of fields.
采用“双悬线平衡法”，并利用外加可调磁场与地磁水平分量补偿的方法对地磁水平分量进行了测量。
To measure the horizontal component of geomagnetism, the "bifilar balance method" is used, together with an additional adjustable magnetic field to compensate the geomagnetic field.
利用红山、后土桥等台近30年的的地磁绝对观测资料，对F、H、Z各分量进行了分析，对Z分量的年速率进行了研究。
The F, H and Z component of geomagnetic data observed by some seismostations in recent 30 years, such as Hongshan, Houtuqiao, are analyzed, and the annual rate of Z component is also studied.
结果指出，广州地磁Z分量日变幅的年平均与太阳活动指数F_（10.7）的年平均存在良好的线性相关；
The results show that, the annual averages of daily variations of Z are favorably linearly correlative with the annual averages of the F_(10.7);
介绍了光泵磁共振实验中扫场的直流分量及用光抽运信号测定地磁场的方法。
The level magnetic field in the experiment of optical pumped magnetic resonance is discussed.
介绍了光泵磁共振实验中扫场的直流分量及用光抽运信号测定地磁场的方法。
The level magnetic field in the experiment of optical pumped magnetic resonance is discussed.
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