科学方法, scientific approaches, 传统方法, traditional methods, 科学与自然的平衡融合, a balanced integration of science and nature, 在贫瘠土地上种植作物, grow crops on barren land, 土地稀缺与人口增长之间的矛盾, the contradiction between land scarcity and population growth.

Rangliste

Visuel stil

Indstillinger

Skift skabelon

)
Gendan automatisk gemt: ?