gravitational lens的用法和樣例：
例句
- Otherwise invisible to telescopic views, the dark matter was mapped by observations of gravitational lensing of background galaxies.
另外對于望遠鏡視野里不可見(jiàn)的暗物質(zhì)，是通過(guò)對背景星系引力透鏡觀(guān)測后繪畫(huà)上去的。 - Dr Clowe and his colleagues used a technique called gravitational lensing to detect the mass distribution of the bullet cluster.
克洛博士和他的同事使用一種叫做引力透鏡的技術(shù)來(lái)探測子彈狀星云團內物質(zhì)的分布情況。
