CAD software in the civil and construction industry is designed for contractors, builders, engineers, and architects to design their projects. This kind of software serves as a tool for designing mechanical designs and their documentation. This type of software is a tool that is used to design mechanical design and documentation. It is an alternative method for manual drafting and an automated method of mechanical designing or structural design.

A zero-energy building is also known as a zero-net energy building. It is a special type of building or structure whose consumption of energy in a year equals the amount of renewable energy generated onsite, resulting in significant reductions in GHG emissions.

央国企改革持续推进，相关企业估值中枢有望上移。当前央国企改革已进入全面深 化期，国资委考核指标体系形成了“一利五率”的框架，更加注重经营质量。建筑央国企估值水平普遍较低。压制因素包括：长期成长性、企业资产质量、以及分红率等财务指标有待改善。随着改革深化，企业经营质量、成长预期均有望改善，因而投资价值有望获得持续提升，并推动估值中枢的上移。