… (Especially it is suggested that an election is unfair if and only if a person of grade at most B
… On the other hand since SX forms a possibly infinitely generated reduced commutative ring …

… We need to check that s also induces isomorphisms of completed local rings. This is done
… f induces a local morphism of discrete valuation rings Bq → Ap. Denote the local parameters …

… ① GPA,全称是Grade Point Average,意思就是平均成绩点数(平均分数,平均绩点),美国的GPA
满分是4 分,即A=4,B=3,C=2, D=1.GPA 的精确度往往达到小数点后一到两位,如:3.0,3.45. ② …