地球的磁性对导航至关重要。

The magnetism of the Earth is crucial for navigation.

工程师在设计电动机时利用磁性。

Engineers use magnetism in the design of electric motors.

科学家研究磁性以了解磁铁的工作原理。

Scientists study magnetism to understand how magnets work.

当磁铁吸引铁屑时，可以观察到磁性。

Magnetism can be observed when a magnet attracts iron filings.

某些材料的磁性可以通过温度改变。

The magnetism of certain materials can be altered by temperature.

放大磁性的大小.

Magnify the magnitude of the magnetism.

有时候。最后一级的磁性是磁畴的磁性。

Sometimes. The last and final level of magnetism is that of domains.

在室温下探测到了共存的磁性和铁电性.

The magnetism and ferroelectricity were detected.

通过磁铁如何作用,我们就可知道有关磁性的问题.

We know about magnetism by how magnets act.

（他们见面时，他立即感到被她磁性般的吸住）。

He felt an instant magnetism when their eyes met.