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The contents from the third chapter to the fifth chapter are the kernels which are a series of applications of generalized regression model and generalized regression estimator. At first, this paper constructs ratio model, linear regression model, post-stratified regression model and nonparametric regression model through different regressive relationship between auxiliary variable and study variable.

首先是依据辅助变量与研究变量之间回归关系的不同,分别建立比率模型、线性回归模型、事后分层回归模型和非参数回归模型,然后再利用第二章中推导出的广义回归估计理论,对各种回归模型辅助下(来源:A4bBC12论文网www.abclunwen.com)的估计方法进行了系统性研究,从而构成了模型辅助估计方法的整个研究体系。

We also show the interests on the average value of a container about 30.000/35.000 dollar-Source: a study we conducted

我们也说明了每个集装箱的平均值(大约30000/35000美元-来源:我们与F。

Thus, it hasabright prospect in the exploitation and application to extract natural bacteriostat from lotus leaves.

来源:A6eBC论文网www.abclunwen.com

Antibacterial experiments results showed that extractions of bacteriostat of lotus leaves had significant antibacterial activities, and the antibacterial characteristics were stable, slightly affected by environment Conditions, such as pH value, temperature, concentration of cations. Also, the extractions exhibited strong antibacterial activities very soon.

抑菌试验结果表明,荷叶抑菌有效成分提取液具有较强的抑菌活性,且抑(来源:ABe064C论文网www.abclunwen.com)菌性能稳定,受环境条件,如pH值、温度、金属离子浓度等变化影响较小,且较短的作用时间就表现出较强的抑菌作用,因此,荷叶天然食品抑菌剂的开发具有很好的应用前景。

In the fourth chapter,first of all,a metric space is derived by the Loeb measure space which is a standard measure space,follow that the Completeness,separability and the Baire theorem are expressed.

第四章中,首先由Loeb测度这个标准测度空间导出度量空间,接着讨论了该度量空间的完备性和可分性以及其Baire定理(来源:A8525B52C论文网www.abclunwen.com)。

In particular, we should point out is that development and standardization of the sound will become a mere scrap of paper, a system failures and system virtual home phenomenon without a balanced force.

用来解释制度的三种社会作用力还可以用来解释国家、社会以及人的自由和发展。来源:ABCba论文ff网www.abclunwen.com

A clearly confident China has rolled up a large section of its bamboo curtain, declared itself "open to the outside world" and hung signs on nearly all its cities inviting foreign investors to come and do serious business.

明显地,满怀信心的中国卷起了大部分的竹幕,并宣布向外部世界开放,打出邀请外国投资者来它所有的城市投资项目的招牌。来源:考试大-自学考试

The use of well-chosen nonsense words makes possible the testing of many basic hypotheses in the field of language learning.

使用精心挑选的无意义词汇,可以检验语言学科里许多基本的假定。来源:考试学习网

It was Zillah; donned in her scarlet shawl, with a black silk bonnet on her head, and a willow basket swun ......

来源:考试大很快我走过大西洋考虑西班牙,查对鲸鱼,喷水口。

"At those moments in time when you are tested, it is absolutely essential that you be grounded in your faith," she said.

她说:"在受到考验的时候,坚定自己的信仰是相当重要的。"来源:看EDU-大学英语四级考试信息分类网

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推荐网络例句

The network space is the typical form of abstract space when it comes to the digital stage.

网络空间是抽象空间数字化阶段的典型形式。

The Notarial System,as the system of judicial certification in our country,is both the constructor and the defender of social credit system,It has its special value and function in the social honesty.

公证制度作为我国司法证明制度,既是社会信用体系的建设者,同时也是社会信用的捍卫者,在诚信中有其特殊的价值和功能。

"He'll never love you as much as you love him," Ben pronounced.

"他永远不会像你爱他那样爱你。"本说。