Plate Tectonics and Sea-floor Spreading 板块结构与海床扩展 The theory of plate tectonics describes ...
2009-10-03
The Salinity of Ocean Waters 海水盐度 If the salinity of ocean waters is analyzed, it is found...
2009-10-03
Statistics 统计学 There were two widely divergent influences on the early development of stat...
2009-10-03
Obtaining Fresh Water from Icebergs 从冰山中获取淡水 The concept of obtaining fresh water from ice...
2009-10-03
Marine Mammals 海洋哺乳动物 Since there is such an abundance of food in the sea, it is understan...
2009-10-03
Chimpanzee 黑猩猩 The most striking single fact about chimpanzees is the flexibility of their...
2009-10-03
2009-10-03