查询词典 population explosion

Thus, the purpose of inferential statistics is to predict or estimate characteristics of a population from a knowledge of the characteristics of only a sample of the population.

因此，推理统计学的目的就是通过了解一个群体中一些样本的特性，从而对整个群体的特性进行推测和估算。

Thus, the purpose of inferential statistics is to predict or estimate characteristics of a characteristics population from a knowledge of the characteristics of only a sample of the population.

因此， 学区的比例了。因此，推理统计学的目的就是通过了解一个群体中一些样本的特性，体中一些样本的特性，从而对整个群体的特性进行推测和估算。

Thus, the purpose of inferential statistics is to predict or estimate charact eristics of a population from a knowledge of the characteristics of only a sample of the population.

因此， 推理统计学的目的就是通过了解一个群体中一些样本的特性，从而对整个群体的特性进行推测和估算。

Six populations of Xiphinema elongatum and one population of X. insigne, new recorded species in Kinmen, were isolated from the rhizosphere of pine, persimmon, guava, litchi, sweet orange, sugar apple and loquat from 2001 to 2003. One population of Xiphinema sp.

自2001至2003年问，由金门岛地区的松树、柿子、番石榴荔枝、甜橙及番荔枝等的根圈土壤中分离鉴定6群Xiphinema elongatum ，在枇杷上则发现1群 Xiphinsigne，而此二种剑线虫都是该地区的新记录种。

By integral in mean and comparison theorem, boundednesses of consumer population and resources, as well as a sufficient condition for population's weak persistent in mean are given when the environment is with a small capacity.

利用积分均值法和比较定理，给出消费者种群和资源量的有界性，以及环境容量较小情形下种群弱平均持续生存的充分条件。

ABSTRACT OBJECTIVE: To investigate the intraspecific variance of Safflower, provide the basis for distinguishing the different cultivated population and breeding of fine cultivated population.

目的：探讨红花的种内变异，为不同栽培居群红花的鉴别及优良栽培居群的选育提供依据。

Root system and plant growth responds to enlargement of population isochronous, all of them reduced with enlargement of population, root reduced especially.

玉米根系和与地上部的生长发育对群体扩大的反应具有同步的，二者均随群体的增扩大而消弱，以根系的消弱最为明显，且生育后期这种抑制现象越严重。

De Jager and colleagues wrote in their analysis, was that because all study subjects received frequent nutrition counseling, the likelihood of vitamin deficiency may have been decreased in the study population, compared with that in the population at large.

de Jager博士及其同事在分析中写道，本研究的一个局限性是，由于所有的受试者均收到了频繁的营养忠告，故与一般人群相比，本研究的群体中维生素缺乏的可能性很可能有所下降。

This paper collects the data which reflect the population structure and per capita GDP of China from 1978 to 2006, utilizes the econometric analysis method of Johansen cointegration test and vector error correction model, combines the current condition and the result of the model, analyzes the effects of China's population structure on the economic growth and puts forward some suggestions.

郑娜(杭州电子科技大学，浙江杭州310018)摘要：本文搜集了我国1978-2006年的人口结构和人均GDP数据，利用Johansen协整检验和向量误差修正模型的计量经济方法，结合现实情况和模型的结果，分析了我国人口结构对经济增长的影响并提出相关建议。

Most kindergartener had the obvious job burnout symptom more or less, but the degree not extremely serious; 2.in the tired meter three dimensions, the emotional dries up the dimension to score points high, has the obvious symptom the population also most, next is the low achievement feeling, goes to the individuality population and the score is all lowest; 3.different rank, the disparity in age, the different teaching sonority, the different marital status kindergartner dries up in the dimension in the emotion to have the remarkable difference; 4.cartel 16 center personalities factors E, F, L, the O four factors tiredly have the remarkable influence to the kindergartener occupation; 5. Four secondary personalities factors tired all have the remarkable influence to the kindergartener occupation; 6. Kindergartener's emotion dries up differently because of the emotional intelligence total score displays the remarkable difference, the emotion dries up the degree to increase along with the emotional intelligence score drops.

调查结果表明：1、大部分幼儿教师已出现明显的职业倦怠症状，但程度并不十分严重；2、在倦怠的三个维度上，情绪枯竭维度的得分最高，出现明显症状的人数也最多，其次是低成就感，去个性化的人数和分数都最低；3、不同级别、不同年龄、不同教龄、不同婚姻状况幼儿教师在情感枯竭维度上存在着显著差异；4、卡特尔16种人格因素中的E、F、L、O四个因素对幼儿教师的职业倦怠有着显著的影响；5、四个次级人格因素对幼儿教师的职业倦怠都有着显著的影响；6、幼儿教师的情感枯竭因情绪智力的总分不同而表现出显著差异，情感枯竭程度随情绪智力分数增加而下降。

As a dominant party,CPC government should play a guardian,supervisee and guarantee role to overcome all the difficulties in the development of charitable cause and bring it into full play in the establishment of harmonious society on policies and regulations basis.

在中国共产党的文献中第一次把发展慈善事业提到&最广泛最充分地调动一切积极因素，不断提高构建社会主义和谐社会的能力&的高度来认识。近年来，社会学界对慈善事业的理论专著发表较多，有鉴于此，笔者不揣浅陋，谈谈自己的认识和见解。

Flow through the land, the land of the scale of operation allows the effectiveness of the land may be raised.

通过土地的流转，土地的规模经营可以让土地的效益得到提升。