他功绩显著。地形；地势起伏；
在西太平洋中，星球地势起伏的对称受到破坏，那里的地球体表面受到抬升。
The symmetry of the planetary relief is broken in the western Pacific where the geoid surface is uplifted.
由于地势起伏、干燥缺水和土壤少，希腊只有三分之一的土地可用于农业耕作，交通运输也很困难。
Because of the rugged terrain and dry, rocky soil, agriculture is restricted to one third of the land. Transportation is difficult.
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