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- China has entered a period of low fertility level since1990' s. 计划生育行政执法作为计划生育行政管理的基本手段和方式,是整个计划生育行政管理活动中一个必不可少的中间环节。
- The difference of fertility level of the main purple soil , rice soil and yellow soil is bigg. 主要土壤类型紫色土、水稻土、和黄壤,肥力水平差异较大,全量、有效态含量在不同土壤类型不一致。
- Whether or not the low fertility level can be stabilized is a matter of great importance and one that would affect the overall situation. 能否稳定低生育水平,事关全局,影响重大。
- In the mean time,we also analysed changing laws of Lou soil?s physical properties in heavy loam soil region under different fertility level. 同时 ,还着重分析了重壤带的 土娄 土在不同肥力水平下其物理性质的变化规律。
- 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
- On the premise of stabilizing a low fertility level,China will achieve a gradual transition from a low population growth rate to zero growth,and the total population,after reaching its peak figure,will slowly decrease. 在稳定低生育水平的前提下,中国人口将由低增长逐步过渡到零增长,人口总量达到峰值后开始缓慢下降。
- On the premise of stabilizing a low fertility level, China will achieve a gradual transition from a low population growth rate to zero growth, and the total population, after reaching its peak figure, will slowly decrease. 在稳定低生育水平的前提下,中国人口将由低增长逐步过渡到零增长,人口总量达到峰值后开始缓慢下降。
- Particularly, it is necessary to strengthen the family planning work in rural areas and among the floating population, stabilize the low fertility level, and promote good prenatal and postnatal care. 特别要加强农村和流动人口计划生育工作,稳定低生育水平,促进优生优育。
- The chloroform fumigation-incubation method was used to measure the biomass-C and-N ofsoils with different fertility levels. 应用氯仿熏蒸培养法测定不同肥力水平的土壤生物量-C和-N。
- But we should also clearly see that there is still imbalance in development in various areas, instability in fertility levels in many regions, and the high birth rate in others. 但也要清醒地看到,目前各地区的计划生育工作发展不平衡,许多地区的生育水平还不稳定,部分地区的人口出生率还比较高;
- Improvements in drainage and fertility levels are in themselves methods of reducing the incidence of some of these weeds. 改进排水和肥力水平本身就是减少某些杂草生长的方法。
- There are still disparities and instability in fertility levels between different regions and areas. 生育水平在不同的地区之间存在着差异性和不平稳性。
- With the increasing of nitrogen rate, the curves of RVA profile decreased under the high, middle and low soil fertility levels. 两供试品种在高、中、低三种地力水平上,RVA谱曲线均随施氮量的增加而降低。
- But we should also clearly see that there is still imbalance in development in various areas,instability in fertility levels in many regions,and the high birth rate in others. 但也要清醒地看到,目前各地区的计划生育工作发展不平衡,许多地区的生育水平还不稳定,部分地区的人口出生率还比较高。
- The results showed that soil fertility levels and nitrogen rate had significant or extremely significant effect on RVA profile characteristics except one or two characteristics. 结果表明,地力水平、施氮量对RVA谱特征值的影响除个别指标外,均达到显著或极显著的差异。
- Under same fertilizer level, rational close planting and increase of basic seedlings were contributive to increase of yield. 在相同的肥力水平下,增加基本苗,合理密植有助于提高产量。
- Took Huaimai19 and Yannong19 as materials, the effects of nitrogen application rate on RVA profile characters under different land fertility levels were studied. 摘要为给小麦优质栽培提供理论依据,以淮麦19和烟农19为材料,研究了地力水平、施氮量对小麦淀粉RVA特性的影响。
- Urease activity may indicate the fertilizer level of total N, alkaline N, and organic matter in vegetable garden and orchard. 脉酶活性可表征果园地、菜园土的全氮、碱解氮和有机质的肥力水平。
- It will be a fertility of year for much raining. 因为雨水多,今年会是丰产的一年。
- I'd like a room on the upper level. 我想要楼上的房间。