置信区间理论提供了一种不同于点估计和假设检验的估计未知参数的方法。
People believe in God because the world is very complicated and they think it is very unlikely that anything as complicated as a flying squirrel or the human eye or a brain could happen by chance.
Don't wait for opportunity, create it.
The essential function of art is moral.
The only limits you have are the ones you set for yourself.
数学是一门活生生的学科,不断演变和发展。