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Camera was invented by Joseph Nicephore. Niepce in 1827. It's used for taking pictures. There are many great inventions in the world. Here is a short introduction. |
| There many great inventions in the world. Here is a short introduction. For example, camera was invented in 1827, it was invented by Joseph Nicephore, Niepce, and it is used for taking pictures. Abacus was invented in the sixth century, it was invented by Chinese people. It's used for counting. Chips were invented in 1853, they ere invented by George Grum, they are used for counting. (答案不唯一) |
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