translation.en: The next thing we did was to understand, using complex computer modeling, at different depths, distances, light conditions, and water clarity in the ocean.
translation.zh: 接下来我们所做的是去了解， 运用复杂的电脑模型， 在海水的不同的深度，距离， 光线条件与海水透明度下 鲨鱼的眼睛能看到什么。