energy level scheme

例句：

1. 1. The company has developed an energy-saving level scheme for its employees.
   该公司为员工制定了一个节能方案。
2. 2. Thenew level scheme aims to improve the efficiencyof energy use.
   新的能效方案旨在提高能源使用的效率。
3. 3. The government has introduced anew energy level scheme to reduce carbon emissions.
   政府推出了一个新的能源级别方案，以减少碳排放。