不符合常理?
sample | total | ratio | |
China | 19,100,699 | 1,298,847,624 | 1.47% |
USA | 4,318,461 | 293,655,405 | 1.47% |
http://www.rightdiagnosis.com/a/alzheimers_disease/stats-country.htm
不符合常理?
sample | total | ratio | |
China | 19,100,699 | 1,298,847,624 | 1.47% |
USA | 4,318,461 | 293,655,405 | 1.47% |
http://www.rightdiagnosis.com/a/alzheimers_disease/stats-country.htm