The magnetism and ferroelectricity were detected.是什么意思？

The magnetism and ferroelectricity were detected.

在室温下探测到了共存的磁性和铁电性.

the

art. 指已提到的人（物），指说话人与听者已知的人（物），用于独一无二的事物前，与形容词最高级和序数词连用；

例句
He did have a real knowledge of the country...
他对该国的确知之甚多。

magnetism

n. 磁性，磁力，磁学，吸引力，催眠术；

例句
There was no doubting the animal magnetism of the man...
这个男人无疑有一种野性的魅力。

and

conj. 和，与，而且，于是，然后，因此；

例句
I spend a lot on expensive jewelry and clothing...
我花很多钱购买昂贵的首饰和衣服。

ferroelectricity

n. 铁电现象，铁电性；

例句
The magnetism and ferroelectricity were detected.
在室温下探测到了共存的磁性和铁电性.

were

be的过去时复数和第二人称单数形式，有时代替 was,用于条件从句、动词 wish 之后等；

例句
Shops, houses, and vehicles were set ablaze.
店铺、房子和车辆全都陷于火海。

detected

vt. [无]对…检波；v. 发现，发觉，查明( detect的过去式和过去分词 )；

例句
The disease was detected during a routine check-up.
这个病是在做常规体检时查出来的。