熔覆层接近熔合线部分出现枝状晶，熔覆层上层组织由细小的枝晶及等轴晶组成。

It melt cover close to alloy layer there aren't line the parts, melt cover layers of upper strata organize until tiny branch is the brilliant and equiaxed grain brilliant to make up.

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商品市场、金融市场、劳动力市场、技术市场、房地产市场上层组织的地区间差异程度由弱到强，呈现规律性。

Upper-hierarchy Organization has a great difference between commodity market, financial market, labor market, technical market and real estate market. The difference is from weak to strong.

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