A natural monopoly exists when the optimum size for a firm in some areaofproduction is so large that there is room for only one such firm on the market.
当一些特定领域的生产使得只能有一个企业达到它的最佳规模时，自然垄断就产生了。
2
Recommended dishes : lovely with desert ( fruits tarts, cream cake ) also with blue cheese. can certainly be served as an aperitif as is done in the areaofproduction.
建议配菜：和甜品（如水果馅饼、奶油饼）或蓝纹乳酪搭配口感极好。也适于作开胃酒。
3
Based on the system partition of the large areaofproduction control and the areaof management information, the system partition framework of the nuclear power plant is established.