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- population replacement level 更替水平
- In Sweden and Italy fertility has been below replacement level for so long that the population has become old enough to have more deaths than births. 在瑞典和意大利,出生率早就长期低于置换率,以致于人口老龄化,死亡人数多于出生人数。
- Apparently,the emigration of Singaporeans has yet to receive widespread attention. This will become a serious problem as the population is turning grey and the birth rate is falling below the replacement level. 有关国人移居海外的问题,似乎未受到各方面特别的关注,不过,随着人口老化越来越显著,婴孩出生率又没有达到理想的目标,这将成为严重的问题。
- Apparently, the emigration of Singaporeans has yet to receive widespread attention. This will become a serious problem as the population is turning grey and the birth rate is falling below the replacement level. 有关国人移居海外的问题,似乎未受到各方面特别的关注,不过,随着人口老化越来越显著,婴孩出生率又没有达到理想的目标,这将成为严重的问题。
- When replacement level was increased from 20 to 40%, the fish that fed with the SES and DFS diets had better growth and condition factor . 当豆粉取代鱼粉比率提高量到40%25,去脂发酵豆粉及去脂豆粉有较好的成长促进及肥满度效果。
- Company pre-largest shareholder with the implementation of asset replacement, the original loss-making company魁星into the sheep population replacement saltern. 公司前期与大股东实施了资产置换,将原亏损的魁星公司置换成羊口盐场。
- France and most of the Nordic countries have embraced such policies and been rewarded with a rise in fertility close to replacement level. 法国和多数北欧国家都采取了这类措施,其回报就是生育率已经上升到接近替代水平。
- Since 1990, the fertility level in China has been stably declining with its TFR dropping from 2.29 in 1990 to 1.80 in 2001, less than the replacement level. 中国自1990年以来,生育水平呈平稳下降趋势,生育率从1990年的2.;29下降到2001年的1
- High swelling straim at high slag replacement levels show the need for longer wet curing for such concrete. 矿渣取代量较高的混凝土之膨胀应变较大,说明这种混凝土需要较长时间的湿养护。
- Contrast four types of mineral admixture under different replace level: the effectiveness and rules of the suppressing impact to the ASR. 3、分别考察了四种类型的混合材在不同取代水平条件下对ASR抑制效果的有效性和规律。
- The non-evaporable water content depends on the cement replacement levels when with a fixed water to binder ratio, hence influence porosity, strength and low-cycle fatigue behavior of concrete. 在水胶比相同的情况下,非蒸发量随矿物掺合料掺量而变化,从而使基体孔隙率产生变化,影响混凝土强度和低周疲劳性能。
- In addition, we supply small parts for replacement. 此外,我们还提供备用小零件。
- This city has a population of more than 1,000,000. 这个城市人口超过一百万。
- Good job they have get a replacement for him. 他们把他替换下来真不错。
- A desert has no settled population. 沙漠没有固定的居民。
- We need a replacement for the secretary who left. 我们需要一个人代替已离职的秘书。
- There was a steady increase in population. 人口在不断增长中。
- What is the population of this country? 这个国家的人口是多少?
- A replacement for deleted matter. 替代被注销内容的东西
- Disease has decimated the population. 疾病使大部分人死亡。
