You can't play trumpet or sax inside the giant magnet that is an MRI machine.

在MRI机器的大型磁场中无法吹奏小号或萨克斯管。

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In this year it consists of (1)magnetic recording head materials; (2)giant magnet-resistance materials;

本年的综述内容包含：（1）磁记录头材料；

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Like any giant magnet, Planet X is pushing space debris ahead of it, as well as trailing debris behind it.

就如其他的巨大磁体一样，行星x正把太空碎片推向其前方，又把其尾部的残片推向后方。

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The new nemesis is a gleaming female cyborg named T-X (Kristanna Loken), who spurns all emotion save for a sudden, violent attraction to a giant magnet.

NEWYORKER: Terminator 3: The Rise of the Machines

Moyle District Council, home to tourist magnet the Giant's Causeway, has one of the lowest crime rates in the region.

BBC: Bid to twin Giant's Causeway's council with Gaza City

Which raises the question, if the basics aren't there, why on earth do these giant cities continue to act as a magnet for such vast numbers of people?

BBC: Megacities face delicate balancing act