Article
物質文明的將來 - The future of civilizing material life

Subject matters: 新聞 - news,
Language level: Baihua

Persons:
梓生 Zi Sheng (Author)

---

Article
新式降雨機 - A new precipitation machine

Subject matters: 新聞 - news,
Language level: Baihua

Keywords: science, invention, foreign country,

---

Image
新式降雨機 - New type of rain machine