But natural distribution of Alstonia scholaris, the planting and cultivation of Alstonia scholaris and congenial regions for its growth are not studied.

 
  • 但是,对灯台树的天然分布状况、栽培生长以及规模化人工种植的适宜区域等科学问题缺乏研究。
今日热词
目录 附录 查词历史