The probable error of a correlation coefficient obtained from a sample of n pairs of observations is sqrt((1-r²)/(n-2)).
从n对观测值的样本中获得的相关系数的可能误差是sqrt((1-r²)/(n-2))。
The power of abstraction is crucial in computer science, allowing us to focus on the essential aspects of a problem.
书写一生就是给予它第二次机会。
Sustainability isn't a trend, it's a necessity.
Feed innovation is the unsung hero of responsible aquaculture.
出自《海国图志》。八方边远以外的地方，本来是存在的，但是不去关心，哪里知道宇宙有多大？