gravitational lens meaning in English

引力透镜效应
重力透镜效应

How is this related to time delays in gravitational lenses
这与重力镜中的时间延迟有何关系？
A gravitational lens is formed when light is bent by a massive object
引力透镜现象就是光被巨大质量物体弯曲的现象。
" gravitational lens " formed by the gravity of massive galaxy clusters abell 1689 bends and magnifies
大质量星系团阿贝尔1689的重力透镜
A galaxy cluster acts as a powerful gravitational lens , magnifying and stretching the distant galaxies lying behind the cluster core
星系团起著强大引力透镜的作用，将遥远的星系放大和扭曲。
For examples , observation of the gravitational lens phenomenon and the scattering phenomenon produced by microwave background radiation and hot plasmas from galaxies clusters
，例如利用引力透镜现象及微波背景辐射与星系团的热等离子体造成的散射现象等等。

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