查询词典 aligned systematic sampling

The Two-Stage Systematic Sampling simulation strategy is proposed to sovle the instruction selection problem.

针对上述问题，二阶段系统抽样模拟将详细模拟指令的选择分为两个阶段。

Using systematic grid sampling method and geostatistics, the spatial heterogeneity of land use intensity change in Guanxian county from 1990 to 2000 was studied in this paper.

以山东省冠县为研究区域，采用系统网格采样法获取研究样本，以地统计学方法探讨了冠县1990~2000年土地利用强度变化的空间异质性。

With the methods of systematic and random sampling, more than 2000 specimens were collected in 7 kinds of habitat, belonging to 3 superfamilies, 11 families, 30 genera and 48 species. Of the collected specimens, grasshopper has the most species accounting for 62.5% of the total species.

采用系统取样和随机取样相结合的方法调查了7种生境中直翅目昆虫的种类和数量，共采集到昆虫48种，标本2000余号，其中蝗虫类30种，蚱类6种，螽斯类12种，隶属于3总科，11科，30属。

Here, we present a systematic sampling and genetic screening of an East Asian–specific Y-chromosome haplogroup (O3-M122) in 2,332 individuals from diverse East Asian populations.

采用父系遗传的 Y 染色体的遗传标记，我们对 40 个东亚南北方代表群体，共 2332 个男性个体进行了系统的比较分析。

Surveying 1034 enrollees in 4 sampled counties through systematic sampling.

利用系统抽样方法在4地对1034名参合农民进行问卷调查。

METHODS It was compared for quality of the hospitalized medical history by using systematic sampling method and collected 300-patient medical history separately before （from January to June,2005） and after （from January to June,2008） Hospital Management Year activities.

采用系统抽样的方法，分别抽取医院管理年活动前（2005年1～6月）和医院管理年活动后（2008年1～6月）住院病历各300份，对住院病历的质量进行比较。

Systematic random sampling, in which an interval of every Nth shelter or household is sampled and all children under 5 years in that household are measured, is recommended where populations are living in an organized or structured setting as a refugee camp.

系统随机抽样，指在每N个救灾棚或家庭中选取一个为样本，对家庭中所有5岁以下的儿童进行测量。建议对居住在有组织或有单位结构的人群应用这种方法。

Typical tree slelction and random sampling were applied for systematic studies on individual variation of gutta-percha content in samaras of Eucommia ulmoides and the correlations between the characters of samara containing gutta-percha and several macroscopic properties.

采用选择典型样株和随机取样的方法，对杜仲果实含胶特性的个体变异规律及其与若干宏观性状的相关性进行了系统研究。

However, the mathematical study of the geology of this area is still lacking. On the basis of geological field survey, we have made systematic sampling and geochemical analyses of the rocks, and systematically studied the relationship between the Cu-Ni variable and the rock-forming element variables by the method of multi-variate...

文中在系统的野外地质调查基础上，进行了系统采样和岩石地球化学分析，应用多元线性回归和逐步回归分析相结合的方法，借助SPSS数学统计软件系统的研究Cu-Ni变量与造岩元素变量的关系，建立Cu-Ni变量与其他变量的回归方程，验证与解释白石泉Cu-Ni硫化物矿床的成因、岩浆来源等问题，对指导找矿勘探有重要作用，对应用数学地质方法有指引作用。

To make paper more systematic and practical, this paper has first introduced the development history of CT equipment, then, elaborate construction of system and theworking principle of CT equipment systematically, including the property of X-ray, the absorption law of X-ray for materials, the reconstruction principle of CT image, the structure of software and hardware for CT equipment. Finally, with 2 CT systems that we used, statistic and analysis of all the malfunctions which have carried out in passed 10 years was given, and according to the systematic parts of fault located, classify the malfunctions, then elaborate their working principle one by one, analyze the regularity and the characteristic of each malfunction, and put forward specific prevention method and measure for the malfunction.

为了使论文更具系统性和实用性，本论文首先介绍了CT设备的发展史，然后比较系统地阐述CT设备的工作原理及系统结构，包括X射线的特性和物质对x射线的吸收规律，CT图像的重建原理，CT设备的软、硬件结构等，最后以我们所使用的2台CT为例，对10余年来所出现的故障进行了全面的统计分析，并按故障所处的系统部件进行分类，然后逐个阐述其工作原理，分析其故障的特点和规律，并就这些故障提出具体的预防方法和措施。

We have something to do in the new stage.

在这段崭新的时期中，我们有一些要做的。

The difference between tourism decision-making under uncertainty and risky tourism decision-making is indistinctive.

其中不确定性旅游决策和风险旅游决策的界线比较模糊，两者的区分是相对的。