| 1. | Cases like theirs occur in fewer than one in 2 . 5 million live births
这种情况出现的几率不到250万分之一。 |
| 2. | Crude birth rate no . of registered live births per 1 000 population
粗出生率按每一千人口计算的登记出生人数 |
| 3. | Infant mortality rate no . of deaths per 1 000 registered live births
婴儿死亡率按每千名登记活产婴儿计算的死亡人数 |
| 4. | Maternal mortality ratio no . of deaths per 100 000 registered live births
孕妇死亡比率按每十万名登记活产婴儿计算的死亡人数 |
| 5. | The rate of anencephaly is now less than 1 in 10 , 000 live births in some places
目前在一些地方新生无脑儿发病率低于1 / 10000 。 |
| 6. | Crude birth rate refers to the number of registered live births per 1000 population
粗出生率是指按每一千人口计算的登记出生人数。 |
| 7. | The crude birth rate in 2006 is 9 . 5 registered live births per 1000 population
二零零六年的粗出生率即按每一千人口计算的登记出生人数是9 . 5 。 |
| 8. | Infant mortality ( ie the rate at which babies die ) was 20 deaths per thousand live births in 1986
1986年的婴儿死亡率为生育成活率的千分之二十 |
| 9. | The infant mortality rate remained roughly the same as the previous year , about 6 . 9 per 1 , 000 live births
婴儿死亡率大致与前一年相同，约为6 . 9每1000个活产儿。 |
| 10. | Infant mortality rate refers to the number of registered infant deaths per 1000 registered live births
婴儿死亡率是指按每千名登记活产婴儿计算的登记婴儿死亡数目。 |
