这就叫做“暗光适应”。你的眼睛花上一个钟头就可以完全适应光线暗淡的环境。
This is called "dark adaptation" and it takes your eye up to an hour to become fully adapted to seeing in low light conditions.
针对炮弹炸点光信号的强度与频谱特性，设计了一种基于自适应阈值的炸点时间测量系统。
According to the characteristics of ignition and explosion signals, a system for detecting the artillerys explosion time based on self-adaptive threshold is developed.
试验还表明施用氮肥可减轻光抑制的伤害程度及增强对强光的适应性。
Experiment also showed nitrogen fertilizer could reduce the damage of photoinhibition and improve the adaptability of rice to high light intensity.
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