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.

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.

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。