天使1／2方程式
Vocabulary Coverage
Learning words in frequency order, here's how many unique words you need to know to reach various coverage percentages for this series (based on available volumes):
| Coverage | Words Needed | % of Unique Words |
|---|---|---|
| 75% | 577 | 41.6% |
| 80% | 739 | 53.3% |
| 85% | 901 | 65.0% |
| 90% | 1,063 | 76.6% |
| 95% | 1,225 | 88.3% |
| 96% | 1,258 | 90.7% |
| 97% | 1,290 | 93.0% |
| 98% | 1,323 | 95.4% |
| 99% | 1,355 | 97.7% |
Total Unique Words: 1,387
Total Word Occurrences: 3,242