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森林的真正价值不能仅用板材英尺来衡量。
It is India that gave us the ingenious method of expressing all numbers by means of ten symbols, each symbol receiving a value of position as well as an absolute value.
The holographic principle suggests that the information content of a region of space can be thought of as encoded on the boundary of that region, much like a hologram.
我不是传教士,也不是老师。我只是一个歌手。