... 无权数系 non-weighted number system 非零位non-zero digit 范数 norm ...
权威例句
1.
Only 25% of homes listed for one million dollars or more have a 9 as the last non-zero digit, compared to 53% of all listed homes.
FORBES: Your Home's Lucky Number
2.
On homes with price reductions, the reduced price is even more likely to have a 9 as the last non-zero digit than the original price was.
FORBES: Your Home's Lucky Number
3.
On homes with reductions, the original price had 9 as the last non-zero digit 52% of the time, while the reduced price had 9 as the last non-zero digit 54% of the time.