Десятко́вий(A data type that stores a signed, exact numeric value described as the number of digits appearing before and after the decimal point, with a maximum of 29 total digits. All possible digits cannot be represented if you are using the maximum number of digits)
Decimal A data type that stores a signed, exact numeric value described as the number of digits appearing before and after the decimal point, with a maximum of 29 total digits. All possible digits cannot be represented if you are using the maximum number of digits['desɪm(ə)l]缩写
