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大型体育场规模的大小是设计的基本依据。规模大小的确定，从建筑上讲，关系重大，它不仅关系到观众能否得到良好的观赏效果；对于奥运会主体育场来说，还关系到开、闭幕式的气氛和效果；更关系到建造的一次性投资和维修费用的多少。从体育场发展历史看，曾多次建造100000人以上的超大型体育场，这些体育场不但不能很好地保证所有观众的视觉要求，而且为日后的利用和维修带来困难。所以，对规模问题不能凭主观意识盲目而定。要根据科学的依据，本着少花钱、求实效的原则，对影响体育场规模的视线、造价、平时利用和安全疏散等诸多因素进行研究，找出主要因素，综合考虑而定。在这诸多因素中，本文认为视线是影响大型体育场规模控制的主要因素，它起着决定性作用。
The size of a large stadium is the basic design basis. The determination of the scale is architecturally significant, and it is not only related to whether the audience can get a good viewing effect; for the main stadium of the Olympic Games, it is also related to the atmosphere and effect of the opening and closing ceremonies; it is also related to the construction of the One-time investment and maintenance costs. From the perspective of the development history of the stadium, we have built over 100,000 super stadiums on many occasions. These stadiums not only cannot guarantee the visual requirements of all audiences, but also cause difficulties for future use and maintenance. Therefore, the issue of scale cannot be determined blindly by subjective consciousness. According to the scientific basis, in light of the principle of less spending and seeking practical results, we must study the factors that affect the stadium’s sightline, cost, daily use, and safe evacuation, and find out the main factors that will be taken into consideration. Among the many factors, this article believes that sight is the main factor that affects the control of large-scale stadiums. It plays a decisive role.