a horizontal line drawn over a group of mathematical symbols to indicate that they are to be considered as a single entity or to indicate multiplication, as in x̅, the bar or line is called a vinculum.
“vinculum”词性变化补充纠错
名词
“vinculum”用法和例子补充纠错
1、The vinculum is used to indicate that the group of symbols underneath it should be treated as a single entity in mathematical calculations.
(译文:在数学计算中,vinculum用于表示其下方的符号组应被视为一个整体。)
2、In the equation x̅ = (x1 + x2 + x3)/3, the vinculum is used to indicate that the sum of x1, x2, and x3 should be divided by 3.
(译文:在方程x̅ = (x1 + x2 + x3)/3中,vinculum用于表示x1、x2和x3的和应该被3所除。)