维斯硬度计怎样测氧化膜层硬度?

The Colosseo
The Colosseo, also named as the Flavian Amphitheatre, is a symbol of the city of Rome, as one of the destinations of the world-wide travelling. Its construction started from 72 AD under the emperor Vespasian and was completed in 80 AD under Titus. The following numbers can see the magnificence of the Colosseo: With the diameter of 188 meters and height of 50 meters, the Colosseo is capable of seating 50,000 people (some documents indicate this figure is 70,000). In Ancient Rome, the games would be held there such as sea battles, gladiatorial games and hunting animals.
The Vatican City
Vatican City, where locates the Pope and the Spirit Center of the Christianity, is a landlocked sovereign city-state （The Pope as the monarch）which is announced as the human culture heritage by UNESCO. You can not miss the St. Peter's Square, one of the largest squares in the world, as the architecture masterpiece of Benigni. From 1656 to 1667, Benigni used 248 columns and 88 pilasters to make this grand elliptic square. In this square, there is the St. Peter's Basilica, which is regarded as the most beautiful and most magnificent church in the world. During its construction, the Architects who were in charge include Master Donato Bramante, Raphael and Michelangelo who completed the vault of the church with the height of 119 meters. You can not miss the Vatican Museum especially the Sistine Chapel which is one of the master pieces in the whole art history. The museum has works of art of painters during the Renaissant, including Botticelli, Fra Angelico and Michelangelo who painted for the ceiling. The most prominent is the masterpiece of Michelangelo - Last Judgment.

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