【简答题】In 1826, a Frenchman named Niepce needed pictures for his business. But he was not a good artist. So he invented a very camera ( 照相机 ). He put it in a window of his house and took a picture of ...
【简答题】In 1826 or 1827, a Frenchman named Niépce needed pictures for his business. But he was not a good artist. So he invented a very camera. He put it in a window of his house and took a picture of ...