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- earth rs magnetic pole 地球磁极
- earth rs magnetic field 地球磁场
- Handly magnetic pole tester easy to use. 准确易用。是厂家必备工具。
- Most of the earth rs surface is covered by water. 大部分的地球表面被水覆盖着。
- A single, isolated magnetic pole has never been found. 单一的、孤立的磁极从来未找到。
- There is a force field around the arbitrary magnetic pole. 在任一个磁极的周围有一个力场。
- North magnetic poles repel (each other). 磁北极与磁北极互相排斥。
- Earth quakes can result from stresses in the earth rs crust. 地壳内的应力可能引起地震。
- A slender magnet suspended in a magnetic compass on a low-friction mounting; used to indicate the direction of the earth's magnetic pole. 在低磨擦力的磁性罗盘内悬挂的小的磁体;确定地球磁的方向。
- The sun appears to rise and set because of the earth rs rotation. 因为地球在自转，看上去就有了日出和日落。
- The auroral oval rotates clockwise (relative to the earth) around the magnetic pole as the time of day progresses. 强的地磁暴能引起地球磁场大的扰动，并使极光卵形带向中纬扩展。
- Lunar eclipse occurs when the earth rs shadow falls on the moon. 地球的影子落在月球上时，就发生月蚀。
- earth rs magnetism 地磁
- Children supporting their parents is nature rs law and earth rs way. 子女奉养父母是天经地义的。
- The North magnetic pole seems to be moving northward at an average rate of 1 0 kilometers per year. 北磁极似乎正在以平均每年10千米的速度向北移动。
- The different groups of magnetic pole juxtapose in this series products, the magnetic line transmit along quadrangle. 该产品磁极工作面可根据用户需要加长，便于吸吊中间有孔或有缺口的工件。
- The magnetic poles are far more restless. 极更是不平静。
- North magnetic poles repel each other. 磁北极与磁南极互相排斥.
- The centimeter-gram-second electromagnetic unit of magnetic intensity, equal to the magnetic intensity one centimeter from a unit magnetic pole. 奥斯忒厘米、克、秒制中磁场强度单位，等于离单位磁极一厘米处的磁场强度
- Magnetic saturation effect on the saliency is used to distinguish the north magnetic pole from the south. 利用磁饱和效应对凸极性的影响来区分南北磁极。
