Her hypothesis concerns the role of electromagnetic radiation.是什么意思？

Her hypothesis concerns the role of electromagnetic radiation.

她的假说涉及到电磁辐射的作用.

her

pron. (she的宾格)她，(she的所有格)她的，她，指某个国家，（一艘）船；

例句
There was a terrible sadness in her eyes...
她眼神中流露出深深的悲伤。

hypothesis

n. 假设，假说，[逻]前提；

例句
The statistics to prove or disprove his hypothesis will take years to collect.
收集数据来证明他的假设是否成立要花上数年的时间。

concerns

n. 关系( concern的名词复数 )，关心，企业，（与某人）有关的事；

例句
All his concerns were centred around himself rather than Rachel...
他所关心的全是他自己，而不是雷切尔。

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。

role

n. 作用，地位，角色；

例句
...a chance for fathers to play a more active role in childcare...
让父亲们更积极地参与育婴的机会

of

prep. 关于，属于…的，由…制成；aux. 助动词 [非标准用语、方言] =have [主用于虚拟语气]；

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

electromagnetic

adj. <物>电磁的；

例句
Some people are worried that electromagnetic fields from electric power lines could increase the risk of cancer.
有些人担心输电线的电磁场可能增加致癌几率。

radiation

n. 辐射，放射物，辐射状，分散；

例句
Her hair started falling out as a result of radiation treatment.
由于放疗，她开始掉头发。