监理市场受到多方面的限制，其中一些主要的限制因素包括法律法规、市场竞争、技术水平和服务质量等。

中文版：

首先，法律法规是监理市场最重要的限制因素之一。政府通过制定相关法律法规来规范监理市场，对监理企业的资质要求、业务范围、服务质量等方面进行了明确的规定。监理企业必须严格遵守相关法律法规，否则将面临法律责任和经济损失。

其次，市场竞争也是监理市场的一个重要限制因素。随着监理市场的不断发展，越来越多的企业开始进入这个领域，导致市场竞争越来越激烈。为了在激烈的市场竞争中获得优势，监理企业需要不断提升自身的技术水平和服务质量，以满足客户的多样化需求。

此外，技术水平和服务质量也是监理市场的关键限制因素。随着工程技术的不断发展，监理企业需要不断更新自身的技术水平，以确保能够满足客户的需求。同时，服务质量也是监理企业获得客户信任和忠诚度的关键因素之一。如果监理企业的服务质量不高，客户可能会选择其他企业，从而导致企业失去市场份额。

英文版：

Firstly, laws and regulations are one of the most important limiting factors for the supervision market. The government formulates relevant laws and regulations to standardize the supervision market, specifying requirements for qualification, business scope, and service quality of supervision enterprises. Supervision enterprises must strictly comply with relevant laws and regulations, otherwise they will face legal liability and economic losses.

Secondly, market competition is also an important limiting factor for the supervision market. With the continuous development of the supervision market, more and more enterprises are entering this field, leading to increasingly fierce market competition. In order to gain advantages in the fierce market competition, supervision enterprises need to continuously improve their technical level and service quality to meet the diversified needs of customers.

In addition, technical level and service quality are also key limiting factors for the supervision market. With the continuous development of engineering technology, supervision enterprises need to constantly update their technical level to ensure that they can meet customer needs. At the same time, service quality is also a key factor for supervision enterprises to gain customer trust and loyalty. If the service quality of supervision enterprises is not high, customers may choose other enterprises, leading to the loss of market share for the enterprise.