sampling method

Methods 104 DPN patients were randomly paired by the stratified sampling method and divided into acupuncture medicament group and control group, 52 cases for each.

方法将DPN患者104例，随机分为针药组和对照组各52例。

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Then the sampling method of network traffic measure and error checking method is introduced.

然后介绍了抽样测量的一般方法,以及抽样测量分析中的误差检验方法.

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After that, random sampling method of flow through pipes and pressure heads at nodes by Monte Carlo method is proposed, and to test the distribution of sample, SPSS software and skewness-kurtosis method are used.

利用蒙特卡洛方法对各管段流量和各节点压力进行随机抽样，并使用SPSS软件和偏度、峰度方法对其进行正态性检验。

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The optimum sampling unit, sampling method and sampling number of arthropod diversity in leafy vegetable field were also determined.

据此，确立了菜心田节肢动物类群多样性的最佳抽样单位、抽样方式和抽样量。

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PARTICIPANTS: Totally 528 students, aged 17 to 20 years old, were recruited from grade one of year 2003 in Southwest University of Science and Technology with stratified sampling method.

对象：调查对象来源于以整群分层方法抽取的2003级在西南科技大学就读的一年级学生528名，年龄17～20岁。

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[ Methods] Investigation was conducted in residents over 15 from 6 villages and 3 street district with multiplestage stratified chester random sampling method in Wuhan in 2002. [ Results] Of the 356 people investigated, the morbidity rate of the disease was 2.81%.

[方法]2002年用多阶段分层整群随机抽样方法，抽取武汉市蔡甸区3个街、6个村的部分15岁以上居民进行调查。[结果]调查356人，糖尿病患病率为2.81%。

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Subharmonic stroboscopic sampling method for study of period-doubling bifurcation and chaotic phenomena in forced nonlinear oscillators

研究强迫非线性振子中倍周期分岔和混乱现象的分频采样方法

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Applied Research of Antithetic Variable Sampling Method

对偶变数抽样方法应用研究

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Spatial distribution pattern and sampling method on eggs of Agrotis ipsilon

对小地老虎卵空间分布型及抽样技术的调查分析

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Finally, the sampling efficiency is increased. 3. A four-point test method for sampling in two-dimensional planning space is designed. This method uses four-point to identify obstacles in order to avoid redundant collection of the sunken area.

针对二维规划空间设计了四点采样测试方法，通过利用四个点所在位置的相对关系来识别障碍物的凸出部分，有效避免了凹陷区域的冗余采集。

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The statistical properties of ocean waves are studied before the analysis of wave spectrum. The equal energy sampling method is used to get simulation curve of the wave height and angle, for long-crested wave, combined with the expression of wave spectrum.

首先，研究海浪的统计特性，并对海浪进行谱分析，结合海浪谱密度表达式，利用等能量采样法对长峰波随机海浪进行仿真，得到海浪波高及其波倾角的仿真曲线。

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A two-dot sampling method of SPWM with nonsymmetrical rules was presented. It made the generation time and width of pulse closer to the nature sampling method, so the content of output humorous wave was reduced effectively.

提出一种两点式不对称规则SPWM工程采样法，使脉冲发生时刻和宽度更接近于自然采样法，从而可有效地降低输出谐波含量。

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Objective To analyze the pooled sampling method for estimating the vector prevalence theoretically and provide the pooling schemes.

目的对混合样本方法检测蚊体内子孢子阳性率进行理论分析与方案设计。

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This paper presents the analytical method of terrestrial photogrammetry in profile surveying. It takes the error effect of exterior orientation elements into consideration, and realizes the Variable interval sampling of profile points.

本文介绍了解析法地面摄影测量断面图的方法，它顾及了外方位元素误差影响，同时实现了断面点可变间距采样。

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Sampling method for joint quality test of steel bar and result evaluation

钢筋接头检验取样方法及试验结果评定

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And then, by the Bootstrap sampling method, the distributional characteristics of the MPCIs are simulated and estimated, with the confidence intervals of those MPCIs also obtained, which can provide efficient aids to the analysis of multivariate process.

然后基于Bootstrap抽样技术，对多元过程能力指数的统计分布进行仿真处理，获得了多元能力指数的经验分布及其大致的置信区间，从而为有效进行多元质量特性加工过程分析提供了概率依据。

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The influence factors of the determination results of CO 2 in the liquid oxygen were discussed, especially on sampling method, humidity temperature, velocity of flow, the sample tube ′ s material, sampling dosage, condensator absorb bottle ′ s number and vaporizing processes.

对液氧中二氧化碳含量测定结果的影响因素包括取样方法，环境温、湿度，取样时样品的流速，取样管材质，取样体积，冷凝管数量及吸收瓶数量等进行了讨论。

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This paper explains the design of an Ultrasonics Doppler Spectrum Analysis System for fetal umbilical blood flow monitoring. The gist of discussion includes the sampling method of the Doppler signals and the algorithm of the blood flow parameters.

阐述了胎儿脐带血流超声Doppler频谱分析仪的设计，重点分析了Doppler频移信号采样和血流频谱参数的算法。

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According to the regulation method used in AC sampling for telecontrol equipment, this paper introduces the fast setting method using software to regulate for AC sampling parameters.

针对目前电力系统远动装置交流采样通常使用的调节方法，提出采用软件调节的方法对交流采样参数进行快速整定。

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Test method and sampling quantity referring to Appendix attached.

附加测试方法和抽样数量，指附录。

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Firstly, the Gauss map of points on the cylinder and a random sampling method are used to compute the rotation axis equation of the simple articulator.

首先通过构造圆柱面上点的高斯图和任意采样的方法，计算出简单牙合架转动轴线方程。

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A STRUCTURAL APPROACH TO TEMPORAL SEMANTICS Methods The 15 soldiers selected through a hierarchical sampling method were treated by an un-structured interview.

方法采用分层随机取样法对抽取的15名陆军军人进行结构式访谈。

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The puzzle of Q~ 2 dependence is overcome by bias sampling method.

用偏畸抽样办法克服了Q~2依赖性的困难。

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Objective: To determine the sampling method for Microtus fuscus, sample amount of parasitic fleas on surface of Microtus fuscus and the least sampling amount for pathogenic and serological methods.

目的：确定青海田鼠抽样方法及该鼠体外寄生蚤抽样数量；病原学和血清学最低抽检数量。

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Technically carried out means to improve audit quality and reduce its risks in the following technical ways: account, internal control system, sampling and computer audit method.

运用帐户入手、内部控制制度测评、抽样及计算机审计方法是“技术”措施。

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The number of samples in the traditional synchronous sampling method is fixed in order to use FFT algorithm.

传统的同步采样法是将采样点数固定为N，这样可以使N为2的整数次幂以使用FFT算法进行谐波测量。

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Sampling Method by Allocating Random Order to Percentiles

分位点随机配序抽样

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Profile sampling method, macro-group classification method, and statistical method were used to study the community structure and dynamics of soil insects in ragweeds Ambrosia artemisiifolia and A.

采用分层取样法、大类群分类法和数理统计方法，研究了普通豚草Ambrosia artemisiifolia和三裂叶豚草A。

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A mathematical probable model and random sampling method are illustrated, too.

具体说明方法的数学概率模型及随机抽样方法。

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Sampling method for glass containers distilling apparatus with ground glass joint

玻璃集装器具取样方法具磨砂玻璃接口蒸馏器

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