household telephone penetration

例句：

1. 1. The study found that household telephone penetration has increased significantly in recent years.
   研究发现，近年来家庭电话的普及率有显著提高。
2. 2.This report provides an analysis of the household telephone penetration rate in different regions.
   这份报告分析了不同地区的家庭电话普及率。
3. 3.The government is working on increasing household telephone penetration to improve communication and connectivity.
   政府正在努力提高家庭电话的普及率，以改善通信和连接性。