名词
中文翻译：引力透镜
同义词：
['gravitational image', 'gravitational magnification']
例句：
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1. The gravitational lens isa powerful tool for studying the universe.
引力透镜是研究宇宙的强大工具。
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2. Thegravitational lens has helped scientists toobserve distant galaxies.
引力透镜帮助科学家观察遥远的星系。
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3. The gravitational lens can be used to create imagesthat are sharper than the original objects.
引力透镜可以用来创建比原始物体更清晰的图像。