The ratio test and the root test are two widely used convergence tests for positiveseries.
比式判别法和根式判别法是对正项级数收敛性进行判别的两种广用的方法。
2
This article offers a footnote about Gauss test for convergence of the positiveseries, extends Gauss test and establishes a more meticulous test for convergence of the positiveseries.
对无穷级数的高斯判别法给出了一个注记，推广了高斯判别法，得到了一个更精细的判别法则。
3
In order to reveal people's implicit prejudice, participants are asked to watch a computer monitor while a series of positive words, negative words, and pictures of black or white faces appear.