求翻译：混合溶液应显示三个清晰分离的 斑点，供试品溶液所显主斑点的位置和颜色应与标准品溶液的主斑点的位置和颜色相同是什么意思？

Separation of mixed solution should show three clear spot, solution of test articles and color should be the main spot of location and the location of the main spot of standard solution and the same color