alternative net ground

例句：

1. 1.The company has invested heavily in developing alternative net ground to reduce its carbon footprint.
   该公司大力投资于开发替代网络地面，以减少其碳足迹。
2. 2. The construction of the new airport will require the use of alternative net ground to reduce noise pollution.
   新机场的建设将需要使用替代网络地面来减少噪音污染。
3. 3. The government is considering using alternative net ground as a means of reducing greenhouse gas emissions.
   政府正在考虑使用替代网络地面作为减少温室气体排放的一种手段。