translation.en: The Pulse Amplitude Modulated Fluorometer, or PAM, gauges the fluorescence of corals as it pertains to pollutants in the water as well as climate change-related issues.
translation.zh: 脉冲幅度调制荧光剂， 简称 PAM， 能够测量出珊瑚发出的荧光， 因为这与水中污染物质有关， 也与气候变化等相关问题有关。