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词汇 optical system
例句 Their pilots are guided by an infrared optical system that shows images clearly even at night.他们的飞行员使用红外光学系统导航,即便在夜晚也能清楚地显示影像。The optical system of the eye stimulates cells of the retina.眼睛的视觉系统刺激视网膜内的细胞。
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