replacement rate造句
1. Thus the presence of helpers increased the replacement rate of the jay family by a factor of 2 - 3.
2. Does he realise that, given the present replacement rate, the average bus will be on the road for 30 years?
3. How these measures have affected the replacement rates can be seen in table 14.2.
4. The author fist reviews the transformation of the replacement rate since the New China had built.
5. The UK's replacement rate is 1.7 and Italy's is 1.2.
6. The advent of meager profit era, the replacement rate is accelerating.
7. The author set the alertness line of the replacement rate of basic old - age insurance.
8. In France the fertility rate is already around two children per female, not far short of the "replacement rate" which keeps population numbers steady.
9. If there were no early deaths, the replacement rate would be 2.0 (actually, fractionally higher because fewer girls are born than boys).
10. The replacement rate of basic endowment insurance is an important index.
11. Economic evidence, then, confirms the more direct pointers to population changes such as the study of replacement rates.
12. None the less, women married for the first time in the 1930s actually had family sizes only just below replacement rate.
13. Even in 1989, the fertility rate (children per adult woman) of 1.57 was below the replacement rate of about two. The poor economy further discourages family formation.
14. The analysis show that the influence given by the area replacement rate is very little, while the modular ratio of pile and soil is a important influence factor.
15. The results indicates as follows; the strength of high-quality recycled fine aggregate concrete is higher than that of natural aggregate concrete, and it increases with the replacement rate.
16. Fertility rates in many European nations and Japan have dropped below the replacement rate, causing concern that shortages of labor and productivity could threaten the quality of life.