潛在進入者的威脅越大，長期的利潤也會隨著時間被壓縮，而進入障礙則會影響

潛在進入者的威脅越大，長期的利潤也會隨著時間被壓縮，而進入障礙則會影響進入者威脅的強度，進入障礙主要來源如下：
1. 經濟規模
2. 專利的保護
3. 產品差異化
4. 品牌知名度

結果 (英文) 1:

Potential entrants threat of greater profits for a long time also been compressed over time, while entry barriers will enter the strength of threats, barriers to entry the main sources are as follows: 1. economies of scale 2. patent protection 3. product differentiation 4. brand awareness

結果 (英文) 2:

The greater the threat of potential entrants, long-term profits over time will be compressed, and the barriers to entry will affect the intensity of the threat of entrants, the main source of the barriers to entry are as follows:
1. The economic size
2. patent protection
3. Product Differentiation of
4 brand awareness

結果 (英文) 3:

The greater the potential threat of entry, the long-term profit will be compressed over time, and enter the barrier will affect the strength of the threat of entry barriers, the main source of entry barriers are as follows:One Economies of scaleTwo Patent protectionThree Product differentiationFour Brand awareness