Censuses and surveys can be used to estimate population Numbers, but do not provide information on causes of death.
可通过普查和调查来估算人口数量，但这无法提供死亡原因信息。
With no natural predators and expanses of green suburban neighborhoods that allow no hunting, wildlife officials estimate the New Jersey deer population to have grown to exceed 175,000.
由于没有天敌，又有大片绿色的郊区禁止捕猎，野生动物官员估计，新泽西鹿的数量已经超过17.5万只。
We know, let's say from statistical experience that we can estimate that about a third of the affected population are children.
我们知道，从统计学的经验上我们可以估算出，受热带风暴影响的人口中，大约三分之一是儿童。
European scientists asked volunteers to estimate statistics like the population density of Switzerland. Each person got five guesses.
欧洲科学家们让志愿者们估计一些诸如瑞士人口密度的数据，每个人有五次猜测机会。
The display was put together by the World Wildlife Fund and the population estimate is based on their most recent survey.
这次展览由世界野生动物基金会举办，对熊猫数量的估计来自于他们最近的调查。
To arrive at a population estimate, the researchers can't just count the number of photographs, because the cameras are triggered by all sorts of things, like monkeys or leopards.
为了对数量进行精准的估计，研究人员不能只根据照片的数量进行核算，因为相机很有可能是由其他的动物引发传感器而发生的，比如猴子或者豹。
But the researchers say they still were able to use the findings to estimate that about 2.6 percent of the population had some autism traits - compared to the U.S. estimate of 1 percent.
但研究者表示他们仍能根据现有的调查估计，大概有2.6%的孩子有自闭倾向——与美国所估计的1%相比。
But the researchers say they still were able to use the findings to estimate that about 2.6 percent of the population had some autism traits - compared to the U. S. estimate of 1 percent.
但研究者表示他们仍能根据现有的调查估计，大概有2.6%的孩子有自闭倾向——与美国所估计的1%相比。
European scientists asked volunteers to estimate statistics like the population density of Switzerland.
欧洲的科学家找来了一些志愿者，叫他们衡量一些统计值，比如瑞士的人口密度等等。
When applied to the 2004 U.S. Census residential population estimate for ages 18 and older, this figure translates to 57.7 million people.
在对于2004年美国常住人口普查中的18岁以上居民的估计里，这个数据变成了5770万人。
It's a behavioral disorder related to anxiety, and scientists estimate that it affects two percent of the dog population.
科学家估计有2%的狗会患此病。
That by any estimate, is about almost half the population, will need assistance, which is a frightening figure to have to deal with, "he added."
不论根据哪种估算方式，差不多有一半人口将需要援助，这是令人胆颤心惊的庞大救援人数。
It is an estimate of the mean of the population.
这是对人口平均数的一个估计。
Officials estimate some 200, 000 people were killed and three million — about a third of Haiti's population — affected.
有关官员估计，大约20万人遇难，300万人受影响，占海地人口约三分之一。
The latest WHO estimate is that 2 billion people are at risk of becoming iodine deficient – or one third of the world's population.
根据世卫组织的最新估计，20亿人 -或世界人口的三分之一处于缺碘的危险。
Patterns of when and where individual animals have been observed are used to estimate survival and population size.
个体被发现的时间、地点已经建立模式用于预测种群生存和数量规模。
With this estimate, the world's population would have reached 7 billion between two and three years ago.
照此估计，世界人口应在2到3年前达到70亿。
Questioner: Is it possible to estimate what percent of the present population will inhabit the fourth-density planet?
发问者：以目前人口为基准，是否有可能估计有多少百分比的人将会居住在第四密度的地球？
But saving the pangolin population is tough because scientists don't have a good estimate of how many are left in the wild.
但拯救穿山甲种群是困难的，因为科学家不能很好的估计野外还剩多少。
Universe Estimate - Total persons or homes in a given population.
群体额评估-在某一特定人群内的人口总数或总户数。
OBJECTIVE to estimate the population pharmacokinetic parameters of tobramycin by iterative two stage method.
目的用迭代二步法估算肌注妥布霉素的群体药动学参数。
The paper gave the way to estimate parameter of the prey population dynamical model under natural enemy.
建立天敌胁迫下食饵种群动态模型的参数估计方法。
In this paper, a method to estimate the population in urban districts by using EO data has been studied and discussed.
本文对对地观测数据支持下的城镇人口估算方法进行了研究。
To estimate the relative risk and the population attributable risk percent (PARP) of main risk factors by comprehensive analysis.
利用综合分析方法估计我国人群三种肿瘤的主要危险因素的相对危险度及人群归因危险度百分比。
Hepatology Digest: This year you conducted a prospective population-based surveillance to estimate newly diagnosed CLD incidence.
《国际肝病》：您今年开展了一项基于人群的前瞻性监测研究，以评估新近诊断的慢性肝病患病率。
Hepatology Digest: This year you conducted a prospective population-based surveillance to estimate newly diagnosed CLD incidence.
《国际肝病》：您今年开展了一项基于人群的前瞻性监测研究，以评估新近诊断的慢性肝病患病率。
应用推荐