The study has been based on both the model for rice population growth and the model for simulating population life system of lice case worm.
本研究是在水稻群体生长模型和纵卷叶螟种群生命系统模拟模型的基础上进行的。
These changes, while significant, were concentrated in the elite, and for the vast majority of the population life was little changed from the Middle Ages.
这一时期的变革固然意义重大，但主要集中在精英阶层，对于大多数平民来说，他们的生活和中世纪几乎无异。
Mathematical model of Absorbing Markov Chain is used in studying epidemiology. A preliminary analysis is given in the population life, structure of the population and the cause of death to the city.
文章在解决流行病的若干问题时应用了吸收马尔柯夫链数学模型，并对城市中人口寿命、人口结构状况及死亡原因进行了初步分析。
Life on Earth will become unsustainable unless population growth is held in check.
地球上的生命将无法延续，除非人口增长得到控制。
No one disputes the costs in quality of life and depleted health budgets of an obese population, but the quest for solutions gets diverted by ideological arguments around responsibility and choice.
没有人会质疑肥胖人群在生活质量上付出的成本和医疗预算的损耗，但寻求解决方案的注意力被围绕责任和选择的意识形态争论所转移了。
Once the exclusive province of the wealthy, travel and tourism have become an institutionalised way of life for most of the population.
旅游曾经是富人的专属领域，如今已成为大多数人约定俗成的生活方式。
To start with, it forced the population to abandon the nomad's life and became sedentary, to develop methods of storage and, often, systems of irrigation.
首先，它会迫使人们放弃游牧生活定居下来，因而使人们开发存储的方法，往往也会开发灌溉系统。
"Sleep problems endanger health and quality of life for up to 45% of the world's population," according to the World Sleep Society.
世界睡眠协会称：“睡眠问题危及世界上45%的人口的健康和生活质量。”
The first few decades of his life were met with major social events, and a rapidly growing population that made food supply not last all the time.
在他生命的头几十年里，他遇到了一些重大的社会事件，并且快速增长的人口使食物供应无法一直维持。
As "Father of Hybrid Rice", Yuan Longping got over great difficulties and spent his whole life working to reduce world hunger and helping to feed the country with the largest population.
作为“杂交水稻之父”，袁隆平克服了巨大的困难，用其一生致力于减少世界饥饿，帮助养活了世界上人口最多的国家。
Every human being has a right to a certain quality of life, which is harder to achieve with growing population.
每一个人都有保证其生存质量的权利，而在不断增长的人口面前它已越难越难以达到。
Its young population is more likely to graduate high school than in other cities, and life for most families is safe and affordable.
和其它城市比，该市从高中毕业的年轻人口较多，生活对大多数家庭是有保障的，而且费用可以负担得起。
Uzbeks, less than 15% of the population, live mainly in the south and are under-represented in public life.
而不到总人口数15%的乌兹·别克人主要住在南部并且在公众生活中也并不活跃。
By then everybody knew that 40 percent of the population had the bacteria and did not have ulcers, so that was making life difficult for me.
那时，大家已经知道40%的人口都带有这种细菌而没有发生溃疡，所以那让我的日子很难过。
James Vaupel, director of Duke University's Population Research Institute, is sceptical of the argument that obesity may reverse future progress in life expectancy.
杜克大学人口研究学会主任詹姆斯•沃普尔对于肥胖可能逆转未来寿命增长的说法持怀疑态度。
And for those who remain committed misanthropes, if you really want fewer people around, there are ways to reduce population growth while improving the quality of life for everyone.
对于那些仍讨厌人类的人来说，如果你实在想让周围的人变少，也有减少人口同时提高生活质量的办法。
Most of Myanmar's population was born after 1988. Thus, those for whom that was a life-defining moment are now in a minority.
缅甸人口大多数是1988年后出生的，曾经遭受命运浩劫的那一代人现已所剩无几。
For about a third of the world's population, the fall of the wall is probably history, not real life.
对世界上三分之一的人口来说，墙的倒落可能只是历史而非真实生活。
No wonder: with male life expectancy below 59, the population shrinks by about 750,000 a year.
难怪在俄罗斯会出现下面的情况：俄男性平均寿命低于59岁，人口每年缩减750，000。
The Game of Life, a population simulator to familarize users with using a command line;
一个人口模拟器——游戏人生，让用户熟悉使用命令行；
The smaller user base has been spending approximately the same total time inside Second Life that a larger population spent last summer.
这么少量的用户花在SecondLife里面的时间几乎相当于去年夏天里更多人口所花费的时间相当。
The test gives an indication of ageing within population groups, but does not accurately measure the life expectancy of an individual, because of natural differences in telomere length.
这项测试给出了关于人群组的老化的印证，但是却没有因染色体端粒的自然差异，确切的测量出一个人的预期寿命。
Female turtles have also become smaller on average; bigger individuals have been removed from the wild population and the overall life expectancy of the species has fallen.
雌龟的平均体型变小了；较大的个体已经从野生种群中消失，并且整个物种的预期寿命都已经下降。
It then examined how these risk factors reduced life expectancy in eight population groups.
然后该研究检测了这些危险因素在这八组人群中是如何缩短预期寿命的。
Life expectancy was calculated for the study cohort, all Israelis, and the population of the Russian Federation.
对上述研究对象、所有以色列人和俄罗斯联邦人的预期寿命进行了计算。
Such advances offer the aging population a quality of life that was unimaginable when I entered medicine 50 years ago.
这些进步给老年人带来了高质量的生活，这在50年前我刚从医时是不可思议的。
Despite the recent increase only 28% of the UK population participate in the life-saving scheme.
即便最近有可观的增长，只有28%的英国民众加入了这一拯救生命的计划。
Indeed, for 140 years, life expectancy of the population increases by one year for every four years.
确实，在140年里，人们的人均寿命每四年就会增加一岁。
So how do we go about providing life-long learning opportunities to the entire population?
那我们应如何,为所有人们制造更多,终身学习的机遇？
So how do we go about providing life-long learning opportunities to the entire population?
那我们应如何,为所有人们制造更多,终身学习的机遇？
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