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In this paper, total logistics amounts are chosen as evaluation index, and artificial time series are designed to solve the shortness of statistical data in Chinese logistics. Spectrum estimation theory depicts time characteristics in frequency domain thus has such benefit than time domain methods. This paper evaluates the period of Chinese logistics using spectrum estimation. Stationarity of artificial series is verified, parameter sensitivity of truncation point is analyzed, six periods with different delay window are compared, and significance of period evaluated is tested.

中国物流统计数据缺乏,客观上限制了对其周期规律的研究,本文选取社会物流总额作为测度指标,设计了一种人工序列,解决了统计数据过短问题;谱估计法从频域角度揭示客观事物的时间特性,在研究时间序列周期波动方面具有时域分析法所不具备的优势,作者采用谱估计法对中国物流发展周期进行测定,检验了指标序列平稳性,分析了截断点参数灵敏度,比较了6种不同滞后窗下周期值,并检验了所测得周期的显著性。

The volumes of left or right lung in full inspiration and full expiration using the two methods separately were compared using two paried sample document t test.

对MSCT肺容积指标与临床肺功能容积指标间进行相关分析。

The quality number 66 sheep wool and the first grade cashmere were tested and analyzed using the scanning electron microscope,and the probability distribution of the diameter,the surface scale height and the surface thickness of the sheep wool and the cashmere underfur were obtained.Then the error identification probability of these three parameters were calculated.

利用扫描电镜法测试分析66S的绵羊毛与一级除毛山羊绒,得到了以直径、表面鳞片高以及表面鳞片厚为指标的绵羊毛与山羊绒各自的频率分布,并计算出以这3个指标为判定依据的独立误判概率。

Thirdly, as we all know, on one hand, in the research of social stratification in west society, income, education and occupation are all the very important index for social stratification; on the other hand, in the process of New Chinas social development, the character of employment unit is also very important index for social stratification. So, this paper will

最后,论文探讨了生活资源分层与其他分层指标之间的关系,即探讨了生活资源分层与工作单位的所有制性质、收入、教育以及职业等分层指标之间的关系,考察它们之间是否存在显著性相关。

Based on above work, all kind of index have be caculated, and then distribute the index on the plane of develop zones. And then ground stress multiplied by unit reservoir factor reflected gas reservoir actual off-take potential was discovered by comparing the index with reservoir actual production of gas and water.

在上述工作的基础上,计算出各种反映气藏产能的各种指标,并将其在平面上二维展布;然后将这些指标的二维展布和该气藏实际生产动态相比较,发现地应力×单储系数能较好的反映气藏的产能。

The key to the above problems due to the traditional evaluation methods and indicators will focus on one element of the test Consideration, but the planning of the various factors are interrelated, so that part of the traditional evaluation Unpersuasive.

出现上述问题的关键原因在于传统评价方法与指标侧重于某一因素的考虑,然而规划问题的各个因素又是相互关联的,从而使得部分传统的评价指标缺乏说服力。

This thesis uses DEA to compare the WANO's performance indicators among three nuclear power plants in Taiwan. We take the past 7 years'(1997-2003) data of 3 plants, there are 21 DMUs totally. Due to the importance of the nuclear power plant safety performance , we adopt the output estimation by assuming the input as a constant; Five outputs parameters such as unit capability factor, unplaned automatic scrams are chosen to proceed the comparison and get the relative efficiency. We also collect the WANO performance indicators data of the same type nuclear power plants as Taiwan in the United State during 1999-2003 to proceed the same comparison with the domestic three nuclear power plants , in order to understand the relative efficiency between two groups.

本文系利用数据包络分析法,针对台湾地区三座核能电厂之世界核能协会绩效指标的实绩进行实证比较,研究对象是以这三座电厂过去七年(1997--2003)来的实绩比较,每一年度为一个评估单位,共有21个DMUs,由於核能电厂安全绩效之重要性甚高,故本研究纯粹以产出项为考量的绩效评比方式,故将投入项设为常数;产出项则选取机组容量因数、非计划自动急停次数等五项参数,进行评比求出其相对效率;另外也收集了1999—2003年美国同型电厂之WANO绩效指标实绩进行比较,以了解国本国三座核能电厂相较於美国电厂之相对效率为何?

The results indicated that the protein content in the meal increased, solubility of meal in KOH solution, urase activity, color and flavor of meal decreased with mildewed bean content increased.

由此得出,用豆粕蛋白质含量作为评价霉变大豆加工所得豆粕质量的指标足不合适的,而采用豆粕氢氧化钾蛋白质容解度作为评价指标更为合理。

In order to study the relationship between higher fasting serum glucose and other related indexes in middle aged and elderly people,FSG,triglyceride,cholesterol,urate and insulin of serum,blood pressure and body mass index of 1477 men and women over 40 years of age were analyzed.

为研究中老年人空腹血糖和相关指标的关系,对 1477名 40岁以上的中老年人的空腹血糖、血清甘油三酯、总胆固醇、血清尿酸、胰岛素、血压和体质指数等指标进行综合分析。

The effect of microflammation state to lipoprotein in uremia dialysis patients and that relationship with atherosclerosis were studied.

监测其有关炎症指标和脂蛋白的指标,分析尿毒症微炎症状态对脂蛋白的影响及与动脉粥样硬化的关系。

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推荐网络例句

What would he tell Judith and the children?

他将怎样告诉朱迪丝和孩子们呢?

I this is at that time, the opinion with peacockish true girl is full of in a heart.

这就是当时的我,一个心中布满虚荣的女孩子真实的想法。

Oh, and I bought myself a new laptop," he said."

哦,我还给我自己买了一个新笔记本"他说。"