Based on these models, it describes the selection of them and methods of how to determine scaleless range. 根据该模型分别描述了模型的选择问题和无标度区的确定问题。
Bottom-dweller of warm western Atlantic coastal waters having a flattened scaleless body that crawls about on fleshy pectoral and pelvic fins. 大西洋西部温暖水域的底栖鱼,身体扁平无鳞,靠胸爬泳。