A firm can enjoy a competitive advantage only relative to its rivals in the same market or in the same strategicgroup.
企业只有在相对其在相同市场或相同战略集团中的竞争对手而言时才算具有竞争优势。
2
The competitive situation of domestic water treatment chemicals industry is analysed using the Porter's Five -Forces Model, and draws the outline of the strategicgroup of firms in this industry.