Natural number is the number of elements in a ______ set.
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
- In the periodic table of elements, the number of elements in each period is exactly equal to the maximum number of electrons in the corresponding outermost electron layer.
- In a data set, the number of observations will always be the same as<br/>the number of elements. ( <br/>)
- vim中现实行号的命令是在末行模式下输入（） A: :set no nu B: :set nu C: :set number D: set no number
- The number of elements of order 2 in even order groups must be odd