In this case, the model ship's hull is 46 times smaller than the real thing, which means to get accurate data, it should be traveling at one over the square root of 46 times it's real world speed.
在种情况下, 模型船的船体比真实船体小 46 倍,意味要获得准确的数据, 它的行驶速度应该是现实世界速度 46 倍的平方根以上。