1.磁棒,条形磁铁
1.a permanent magnet in the form of a bar with opposite magnetic poles at either end
1.The form of the stable geomagnetic field is like that of a bar magnet at the center of the Earth.
稳定地磁场的形状与地球中心的棒磁铁的形状相似。
2.If the sun were a rigid body, its magnetic field might resemble the earth's , with symmetrical field lines like a bar magnet's.
如果太阳是一颗固体星球，其磁场或许与地球磁场相似，像条状磁铁那样具有对称的磁力线。
3.Magnetism of the bar magnet is produced by the surface molecule electric current.
磁块的磁性，是由磁块的表面分子电流产生的。
4.The Earth's magnetic field is roughly like that of a bar magnet, with two opposite poles.
地球的磁场大致就像是一块拥有两个磁极的磁铁。
5.My 12 year old had a lesson in his science course later that day that mapped magnetic fields of a little bar magnet.
当天的晚些时候，我12岁的大儿子在他的自然科学课上绘制了一幅磁铁的磁场分布图。
6.Their 'bar-magnet' characteristics mean that they can interact with one another through their magnetic fields.
由于超冷分子具有“磁体”特征，这意味着分子之间能通过磁场互相反应。
7.If the bar magnet is simply held stationary near the coil, no current is indicated.
如果磁棒单纯静止在线圈附近，就检测不到电流。
8.The bar magnet helps easily identify different magnetic poles, and has the advantages of convenient location and use.
本发明容易辨认出不同磁极，且便于定位，使用方便。
9.Explore the interactions between a compass and bar magnet, and then add the earth and find the surprising answer!
探究指南针和磁棒之间的相互作用，然后通过钻研发现令人惊讶的答案！
10.Move a bar magnet near one or two coils to make a light bulb glow.
在一两枚硬币附近移动磁棒来让灯泡发光。