2. Diamonds are the representatives of infinite power. Emperors of past dynasties regarded the famous diamond as a symbol of unlimited power, as a treasure, and kept it in the palace for generations. Cullinan diamond, weighing 3 106 carats, was discovered by Wells in Transvaal Mine, South Africa on1905 65438+125 October. 1908 February 10 Start cutting and grinding. Cullinan 1, named "Star of Africa" and weighing 530.20 carats, is the largest diamond processed into a finished product so far, embedded in the scepter of the King of England.
3. Diamonds are the representative of pure love. Diamonds are pure, transparent and timeless, while diamond rings look at you like lovers' eyes, indicating eternal pursuit and loyalty to love. Austrian Archduke Maximilian sent a letter to Princesse Marie in 1477, which said: "On the day of engagement, the princess must wear a ring with diamonds." Since then, the diamond ring has become a token of love between lovers and has been passed down to this day.
4. Diamonds represent noble qualities. Luo said in the poem "Political Prisoners Listen to Cicada", who knows if he is still singing? Who has more than heart. If the diamond is there, you can answer voluntarily. I can! Crystal clear diamonds symbolize purity, truthfulness, loyalty, courage and tranquility, so people will regard diamonds as representatives of noble qualities. When the mountain arrived, the scenery stopped. Although unattainable, my heart yearns for it.
5. Diamonds are the representative of artistic charm, and people have also experienced a long exploration of diamond processing. Until 19 19, Tak Laski, a Polish mathematician living in the United States, designed a standard round diamond cut with 58 facets according to the critical angle of diamonds and the principle of total reflection. When the light enters the diamond, it can be totally reflected, accompanied by colored light. The diamond stands out among many precious stones with its elegant appearance of white, bright and shining brilliance, showing its magical artistic charm.
6. Diamonds represent infinite wealth. As a gem, it must meet the three necessary conditions of beauty, durability and rarity. Diamond is the only gem with the highest hardness, strong refractive index and high dispersion, which is incomparable to any other gem. The baby among such treasures will naturally become the most expensive of all.
7. Diamonds are the representative of eternal existence. Tens of millions of years ago, hot magma rushed into the pipeline deep underground, because the crater was often blocked, and the rising magma cooled under extremely great pressure. A small amount of pure carbon contained in it crystallizes into diamond at this high temperature and pressure. And diamond is the oldest stone on the earth, an eternal stone and a representative of eternal existence.
Difficulties: How to determine the point M? Because the side lengths of the left right-angled triangle are 3, 4 and 5 respective