创新不在于技术,而在于解决实际问题。
Sit down before fact as a little child, be prepared to give up every preconceived notion, follow humbly wherever and to whatever abysses nature leads, or you shall learn nothing.
物体的加速度与所受的合外力成正比,与物体的质量成反比。加速度的方向与合力的方向相同。
I’m living the life I dreamed about when I was broke.