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1. The phototube has a highluminous sensitivity, which allows itto detect even the faintest light.
这个光电管具有很高的光敏度，能够检测到最微弱的光线。
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2. Thenew sensor is designed to have a higherluminous sensitivity than its predecessor,making it more accurate in measuring light intensity.
这款新型传感器的设计使其光敏度高于前代产品，因此在测量光线强度时更加准确。
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3. The luminoussensitivity of the phototube is crucial forits application in night vision devices.
光电管的光敏度对于其在夜视设备中的应用至关重要。