Effective population size and breeders selection manners affect the effect of breeds conservation.
群体有效大小和留种方式影响保种的效果。
That number is smaller than current figures for the effective population size (or number of breeding individuals) for endangered species such as chimpanzees (21, 000) and gorillas (25, 000).
当时的人数甚至不及现在濒临灭绝的黑猩猩（21000头）和大猩猩（25000头）的有效种群大小（即能生育的个体数量）。
Some technical measures were used in the breed control of Hequ horse, such matters as defining conservation region, determining effective population size and having a right foundation herd etc.
河曲马品种的保种与选育，应采取划定保护区，建立育种核心群，确定群体有效含量，控制近交，调整马群结构和合适的公母比例等措施；
More research into effective early intervention in this population and the comparison of long-term benefits and outcomes should be a priority.
将更多的研究投入到这个人群的早期有效预防和长期效益和结果的比照中应予优先考虑。
The justice secretary’s goal was to cut Britain’s large prison population, coming up with more effective ways of dealing with offenders and reducing stubbornly high reoffending rates.
司法大臣克拉克的目标是减少英国庞大的监狱人口，寻求更为有效地方式处理犯罪分子以及降低居高不下的重复犯罪率。
The gradual increase in time delays for NH population declines as we moved into the modern era may reflect that at least some social mechanisms may becoming more effective over time at the macroscale.
当我们进入现代社会，社会机制对人口的宏观影响，至少在某些方面可能会随着时间的推移，会越来越成为有效的因素。
One aim of the research is to develop effective culling strategies for the island's bison population.
研究目标之一是为该岛的北美野牛族群研发出有效的筛选策略。
One aim of the research is to develop effective culling strategies for the island’s bison population.
研究目标之一是为该岛的北美野牛族群研发出有效的筛选策略。
"The most important take-home message is try to understand what's unique about the [middle-aged] population and what message would be most effective at preventing this," he says.
“现在最重要的是我们如何来理解中年人群的独特性，并且告诉他们哪些信息可以最为有效的组织他们产生自杀的念头，让他们回头是岸”Bossarte说。
The slaughter was so "effective" that the population of bison in the U.S. is estimated to have dropped from around 60 million in 1800 to as few as 750 in 1890.
他们的手段如此“有效”，据估计美国的野牛数量从1800年的约6000万头急剧下降到1890年的750头。
In the general population, the lozenge and patch - especially when combined - have been very effective in helping patients quit smoking.
在普通的人群中，润喉片和补片，特别当它们被结合时，曾经能非常有效地帮助病人戒烟。
Hence, mankind should cooperate worldwide to control population by effective measures, in order to secure the prosperity of our future on this planet.
因此，人类应该进行全球范围内的合作，通过有效的措施来控制人口，从而保证我们在这个星球上的美好未来。
The only feasible way to curtail population growth, is to resort to a more effective birth-control project.
要想减少人口增长，唯一可行的方法就是借助更有效的生育控制项目。
The HIV infection situation was still in low level, but HIV infected people were found from 3 kinds of high risk population, so effective measures should be taken for HIVAIDS control and prevention.
我省HIV感染率仍处于低水平，但在3类高危人群监测到了HIV感染者，危险因素广泛存在，应进一步采取有效预防措施控制艾滋病的传播。
Therefore, the effective measures are to increase vaccination rate and immunity of the specific group, decrease the susceptible population and intensify epidemic monitoring.
因此，提高免疫接种率，消除免疫空白人群，开展特定人群的免疫，加强麻疹的监测是控制麻疹发病的有效措施。
According to standard of minimum viable population, the ex-situ conservation of 73 rare and endangered plants are effective.
按照最小存活种群的标准，该园有73种稀有濒危植物迁地保护有效。
Initiating population-based effective preventive interventions; and.
发起以人群为基础的有效预防性干预措施；以及。
Preventive actions could be made more effective by focusing on the victim population instead of the general population in an earthquake-affected area.
关注受害人群而不是地震影响区域的普通人群，预防行动能够更有效。
The first and most effective way to combat over population in large cities is spay and neutering programs.
首要的和最有效的途径，以打击人口以上的大城市，是喷洒和绝育的计划。
Under the circumstance that the quality of the population is low, huge population might lead to the shortage in effective provision of human resources.
在人口素质低下的的情况下，即使是庞大的人口数量也可能导致人力资源有效供给的短缺。
It is necessary and effective to carry out healthy education and healthy promotion in community population.
提示在社区人群中开展健康教育和健康促进是必要的，而且是行之有效的。
"We want to minimize population growth, and the only viable way to do that is through more effective family planning," said Casterline.
他接着说：“要想减少人口增长，唯一可行的方法就是借助更有效的生育控制项目。”
The basis for effective solution of population problems is, above all, socioeconomic transformation.
有效地解决人口问题的基础首先是社会经济状况的改变。
The most important factor is effective demand which is determined by GDP, disposable income and deposit of townspeople, urban population, tax rate, interest rate, price expectation.
而影响有效需求的主要动力因素是GDP、城镇居民可支配收入与储蓄、城镇人口、税率、利率、价格预期。
Rural-to-urban migrants are the vulnerable population in HIV transmission and infection. The study explored the effective theory-based HIV prevention intervention model in the population.
流动人口已成为艾滋病预防干预的重点人群，研究探讨了在该人群中开展以理论为基础的艾滋病心理行为干预的有效模式。
The distribution of multivitamin tablets to the entire population may be useful to prevent some deficiencies but is expensive, labor intensive, and not effective for all deficiencies.
向全体人群分发多种维生素药片对于预防某些营养不足可能有用，但这一方法昂贵，劳动强度大，并且不能对所有的营养不足都有效。
The distribution of multivitamin tablets to the entire population may be useful to prevent some deficiencies but is expensive, labor intensive, and not effective for all deficiencies.
向全体人群分发多种维生素药片对于预防某些营养不足可能有用，但这一方法昂贵，劳动强度大，并且不能对所有的营养不足都有效。
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