查询词典 systematic sampling

Methods The study was performed by systematic and cluster sampling and questionnaire.

采用系统整群抽样的方法，以填写调查表的形式进行问卷调查。

For larger populations, there are two methods of surveillance that are most applicable: systematic random sampling and cluster sampling.

对于数量较多的人群，有两种最适用的监督方法：系统随机抽样和分组抽样。

In this paper,on the basis of theoretically describing mathematics model of the optimum sample plots in certain monitoring area,systematic research and analysis had been carried out through realitic instances and sampling problem of the optimum sample plots had been solved effectively.

该文在理论描述特定监测区域最优样地数学模型的基础上，通过实例进行了系统研究与分析，有效解决了最优样地的抽样问题，所得结果可用于指导生产实践。

In order to reduce the systematic error introduced by non-integer-period sampling, the spectrum correction methods were studied.

针对非整周期采样误差影响频率计算的精度的问题，研究了频谱校正方法。

The frame adopted for this survey was the telephone listings for the Taiwan Area. In order to avoid being unable to select those residences with unlisted telephone numbers, we first took a systematic random sample of telephone numbers, and then replaced the last digit with a random number. Respondents were chosen from within the selected household according to a set intra-household sampling procedure. The target for this survey was 1200 successful interviews.

本研究以台湾地区住宅电话簿作为抽样的母体清册，为避免未在电话号码簿上登记的用户无法被抽中进行访问的情形，抽样时首先依系统抽样的原则抽出某一电话号码，再以随机乱数取代此号码的尾数，作为访问的样本户，访问时再由访员依户中抽样的原则，抽出应受访的对象进行访问。

The frame adopted for this survey was the telephone listings for Tainan City. In order to avoid being unable to select those residences with unlisted telephone numbers, we first took a systematic random sample of telephone numbers, and then added one to the last digit. Respondents were chosen from within the selected household according to a set intra-household sampling procedure.

电话访问以台南市的住宅用电话用户作为抽样之母体清册，首先以等距抽样的原则抽出电话号码，为避免未在电话号码簿上登记的用户无法被抽中的情形发生，遂在抽出的电话号码的尾数加1，作为受访的样本户，实际访问时，访员再按洪永泰所设计的户中抽样原则抽出受访对象。

The frame adopted for this survey was the telephone listings for Taipei County. In order to avoid being unable to select those residences with unlisted telephone numbers, we first took a systematic random sample of telephone numbers, and then added one to the last digit. Respondents were chosen from within the selected household according to a set intra-household sampling procedure.

电话访问以台北县的住宅用电话用户作为抽样之母体清册，首先以等距抽样的原则抽出电话号码，为避免未在电话号码簿上登记的用户无法被抽中的情形发生，遂在抽出的电话号码的尾数加1 ，作为受访的样本户，实际访问时，访员再按洪永泰所设计的户中抽样原则抽出受访对象。

Systematic Process Sampling -- This type of sampling may be used when you are looking for patterns in your process data or making conclusions about a process.

过程系统抽样--这种抽样技术应用于发现过程的变化特征或对过程进行判定，举例，在呼叫中心，可能需要每5个电话抽一次。

Systematic grid sampling is the most popular method at present, but it could loss some important distribution information. Systematic unaligned sampling is the most ideal method. It is easy to find periodical distributing field information with systematic unaligned sampling method.

其中规则栅格采样是目前最常采用的方法，但容易丢失一些比较重要的分布信息；系统分层采样是最理想的方法，容易发现具有周期性分布的农田信息。

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。

Since historical times,England ,where the early inhabitants were Celts, has been conquered three times .

从有历史以来，英国，在此地早期居住的是凯尔特人，已经被征服了三次。

Bluetooth OBEX File Transfer Enables the sending and receiving of files on your phone via Bluetooth.

蓝牙OBEX文件移动允许经过蓝牙传送和接受文件。。。。