Which of the following descriptions of gray numbers is correct?
A: A grey number is a kind of uncertain number which exact value and the range are unknown.
B: A grey number is a kind of uncertain number which exact value is unknown but the range of the number is known.
C: The value range of the gray number can only be an interval.
D: Black and white numbers are not gray numbers.
A: A grey number is a kind of uncertain number which exact value and the range are unknown.
B: A grey number is a kind of uncertain number which exact value is unknown but the range of the number is known.
C: The value range of the gray number can only be an interval.
D: Black and white numbers are not gray numbers.
举一反三
- 14 In triple sequence table of sparse matrix, each triple represents ( ). A: the row number,column number and data value of non-zero elements in the matrix B: the data value of non-zero elements in the matrix C: the row and column numbers of elements in the matrix D: the row number,column number and data value of elements in the matrix
- When a BGP router is not capable of understanding 4-byte AS numbers， it will see 4-byte AS numbers as aspecial， reserved， 2-byte AS number in the AS path. Which 2-byte AS number is this reserved one？（）
- 中国大学MOOC: Among the following numbers, which one is seen as a yang number in the classic I-Ching?
- Place in the middle box a number larger than 1. If the number is the correct one, all the other numbers can be divided by it without leaving any remainder. What is the number
- Among the following numbers, which one is seen as a yang number in the classic I-Ching? A: 2 B: 4 C: 5 D: 6