最好的技术应该是无形的,就像电力一样 - 你不需要理解它是如何工作的就能使用它。
煤炭企业要增强社会责任感,实现经济效益与社会效益的统一。
I cannot fix on the hour, or the spot, or the look, or the words, which laid the foundation. It is too long ago. I was in the middle before I knew that I had begun.
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。