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计算机图形学中的挑战在于用数学模型的简单性来模拟现实世界的复杂性。
The challenge in computer graphics is to simulate the complexity of the real world with the simplicity of mathematical models.
指贫穷的夫妻在生活中处处感到悲哀。
If you tremble with indignation at every injustice, then you are a comrade of mine.
In the realm of quantum gravity, the fabric of spacetime is woven from the threads of entanglement.