If you don't have the quality inquired for, please offer us its nearest equivalent.
如果贵方没有所要求质量的产品,请提供与之最接近的产品。
it is now possible not only to locate a shoal but to tell if it is herring, cod, or other well-known fish, by the pattern of its echo.
不仅能够确定鱼群的位置,而且可以根据鱼群回声的特点分辨出是鲱鱼、鳕鱼,这是人们所熟悉的其他鱼。