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1, time: Zheng He's voyage to the West was more than half a century earlier than that of European navigators.

2. Purpose: In order to spread friendship and show off national prestige, Zheng He set up the sun. European navigators plundered wealth in search of gold.

3. Scale: Zheng He's fleet is large in scale and advanced in equipment. The European fleet is small in scale and quantity.

4. Results: Zheng He opened up friendly exchanges between China and countries along the route, promoted economic and cultural exchanges between China and Asian and African countries, and European navigators opened up a road of colonial exploration for Europe, which extended the tentacles of capitalism to the world.

5. Arrival place: Zheng He arrived at the east coast of Africa and the coast of the Red Sea. European navigator: discovered a new route to the east and discovered America.