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| 1. | In 1970, women's average age at first marriage was 20.2 years, while in 1993 it was 22.67 years, up 2.47 years. |
| 1970年妇女平均初婚年龄为20.2岁； 1993年为22.67岁，提高了2.47岁。 |
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| 2. | singulate mean age at marriage; SMAM |
| 平均初婚年龄;平均初婚年龄 |
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| 3. | e childbearing age |
| 平均生育年龄 |
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| 4. | "The cause of primary parkinsonism, or Parkinson disease, is unknown. The mean age of onset is about 57, But juvenile parkinsonism is also known." |
| 平均发病年龄是57岁,但是也有少年的病例。 |
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| 5. | The rate of early marriage for women has come down and their average age at first marriage has gone up. |
| 妇女早婚比例下降，平均初婚年龄提高。 |
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| 6. | The average age for the first marriage of women of childbearing age increased from 20.8 years in 1970 to 23.57 years in 1998. |
| 育龄妇女平均初婚年龄从1970年的20.8岁提高到1998年的23.57岁, |
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| 7. | the average income in New England is below that of the nation; of average height for his age; the mean annual rainfall. |
| 新英格兰的平均收入低于这个民族的；是他这个年龄的平均身高；平均年降雨量。 |
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| 8. | "fertility rate: Births per thousand, usually related to individuals of same sex, age, marital status, etc." |
| 生育率:每千人平均生育率,通常以相同性别、年龄和婚姻状况的人为基 |
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| 9. | reading age (one's ability to read,measured by comparing it with the average ability of children of the specified age ) |
| 阅读年龄（与某年龄儿童的平均阅读能力相比较而测定的某人的阅读能力） |
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| 10. | developmental age |
| 发育年龄;发展年龄 |
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