重庆市国土局是负责管理和监督重庆市的土地资源利用的部门。作为一个重要的政府机构，它下辖多个单位，以确保土地资源的合理开发和利用。

The Chongqing Municipal Land and Resources Bureau is responsible for managing and supervising the land resources utilization in Chongqing. As a significant government institution, it has several subordinate units to ensure the rational development and utilization of land resources.

重庆市国土局下属的第一个单位是土地利用规划处。这个单位负责制定和实施重庆市的土地利用规划，确保土地资源的科学配置和合理利用。他们还负责评估土地利用的效益和环境影响，并提出相应的改进措施。

The first subordinate unit of the Chongqing Municipal Land and Resources Bureau is the Land Utilization Planning Department. This unit is responsible for formulating and implementing land utilization plans in Chongqing, ensuring the scientific allocation and rational use of land resources. They also evaluate the effectiveness and environmental impact of land utilization and propose corresponding improvement measures.

第二个下属单位是国土资源管理处。这个单位负责管理和监督重庆市的国土资源，包括土地、矿产、森林、水域等等。他们制定政策，加强对国土资源的监管，推动资源的合理开发和保护，并处理相关的争议和投诉。

The second subordinate unit is the Land and Resource Management Department. This unit is responsible for managing and supervising the land and resources in Chongqing, including land, minerals, forests, water bodies, etc. They formulate policies, strengthen the supervision of land and resources, promote the rational development and protection of resources, and handle related disputes and complaints.

第三个下属单位是土地登记和交易中心。这个单位负责土地的登记和交易工作，确保土地交易的公平、公正和透明。他们提供土地信息查询服务，并监督土地使用权的转让和变更，以保护土地市场的秩序。

The third subordinate unit is the Land Registration and Transaction Center. This unit is responsible for the registration and transaction of land, ensuring the fairness, justice, and transparency of land transactions. They provide land information query services and supervise the transfer and change of land use rights to protect the order of the land market.

此外，重庆市国土局还下辖其他一些与土地资源管理相关的单位，包括土地调查与评估中心、土地监测中心、自然保护区管理处等等。这些单位各司其职，共同努力为重庆市的土地资源管理和保护工作做出贡献。

In addition, the Chongqing Municipal Land and Resources Bureau also has other units related to land resources management, including the Land Survey and Evaluation Center, Land Monitoring Center, and Natural Reserve Management Department, etc. These units have their respective responsibilities and work together to contribute to the management and protection of land resources in Chongqing.

总之，重庆市国土局下辖的各个单位在保护和合理利用土地资源方面发挥着重要的作用。他们的工作有助于推动重庆市的经济发展，保护生态环境，并提高人民的生活质量。

In conclusion, the various units under the Chongqing Municipal Land and Resources Bureau play an important role in the protection and rational utilization of land resources. Their work contributes to the promotion of Chongqing's economic development, protection of the ecological environment, and improvement of people's quality of life.