With data sampling, only a subset of the data is scanned.
通过数据抽样，只需扫描数据的一个子集即可。
Row level sampling reads all data pages but considers only a percentage of the rows on each page, and therefore only a subset of the corresponding XDA pages.
行级的抽样读取所有数据页，但是只考虑每页上一定百分比的行，因此只包含相应xda页面中的一部分。
There are two factors that affect ADC: a minimum (threshold) amount of data is available for sampling (ADC_THRESHOLD) and a minimum percentage of useful data in the sampling buffer (ADC_MINPCT).
有两个因素会影响adc：可用于抽样的最小(阈值)数据量(adc _ THRESHOLD)和抽样缓冲区中有用数据的最小百分比(adc_minpct)。
You can also customize the sampling rate for which data is collected (Figure 13).
还可以指定收集数据的取样速率(图13)。
Like joins, if a data sampling is defined within a rule, then it is done within the InfoSphere DataStage job.
与连接类似，如果在规则中定义了数据抽样，那么会在InfoSphereDataStage任务中执行。
For other interfaces, the sampling data (used for building the ADC dictionary) remains uncompressed, as seen in Figure 1, until an offline table reorg is performed.
对于其他接口，如图1所示，抽样数据(用于构建adc字典)直到执行离线table reorg时才被压缩。
This example USES only 25% of the data in the sampling.
这个示例只使用了样本中25%的数据。
This example USES 100% of the data in the sampling.
这个例子使用了样本中100%的数据。
Don't jump to conclusions based on a small sampling of data.
不要只根据少量的数据样本，就急于得出结论。
After a second sampling period, the researchers have enough data to conduct a capture-recapture study.
在第二个观察期，研究人员就有了足够多的数据来进行再分析。
Listing 4 shows a sampling of what the data might look like.
清单4显示了数据可能的样子。
In summary, the accuracy of statistics depends on the sampling rate, the data skew, and data clustering for data sampling.
总之，统计信息的准确性取决于抽样率、数据倾斜(data skew)以及用于数据抽样的数据群集。
Background monitoring system is composed of YanHua industry control machine and PCI based data boards which guarantees the sampling data reliability and implements the real time pharos calculation.
数据采集系统平台由研华工控机及基于PCI接口的数据板卡组成，实现了可靠的数据采集和实时相量测量。
On the basis of analyzing the influence of parameter drifts on sampling data, this article proposes a real time compensation method.
分析电磁式头盔姿态传感系统的参数漂移对采集数据的影响。
The fault diagnosis system of the locomotive electric transmission circuit described above is an application system, which include of signal sampling, data transmission and fault identification.
本文研究、设计的机车电传动电路故障诊断系统是一个集信号采集、数据传输和故障识别为一体的应用系统。
So the adaptive rational function interpolation method can process a large number of sampling data for obtaining a rational interpolation without suffering singularity problems.
因此，本文提出的自适应有理函数插值方法可以对大量采样数据进行插值运算而不会遇到奇异性问题。
This paper adopted the soil distribution area, sampling data and soil organic content from the first soil general survey and applied the technique of GIS to estimate soil carbon reservior in China.
根据中国第一次土壤普查得到的土壤各类型分布面积、采样数据、土壤有机质含量，运用GIS技术，来估算土壤碳库。
The results of PCA and DPC show that the sampling data have a remarkable nonlinear structure.
PCA和DPC分析结果表明，取样数据具有明显的非线性结构。
It's controlled by microcomputer with some characteristics, such as operating easy. sampling data exact and intellegence high.
仪器由微电脑控制，具备操作可靠、采样数据准确、智能化程度高特点。
The module of data sampling USES for sampling data of every sensor, inspecting state of sensors and judging stop.
数据采集模块负责采集各个传感器的数据、检测传感器状态和判断停机。
The system has the capability of self testing, data sampling, data processing and communication.
系统具有自校验，数据采集、处理，数据通信等功能。
Concrete steps of it include: Product analyzing, data sampling, data analyzing, data restoring and CAD model rebuilding.
它在产品设计中的具体步骤有：产品分析，数据采样，数据分析，数据修复，CAD模型重建。
Feasibility of piecewise quantization on a sampling data was proved, and the characteristic remainder A2 of an analogue quantity was introduced and presented.
证明了定点采样值的分段量化处理的可行性，发现了一种具有特殊性质的模拟余量a2。
At last, the programming of current sampling data processing with DSP was provided.
最后，给出了电流采样值定点运算的具体编程实现方法。
A new database table structure which stores a string of sampling data as binary data into a record is presented to improve earthquake precursor data access speed.
为提高地震前兆数据库的存取效率，提出了一种把一串观测数据以二进制存储为一个记录的新的数据库表结构。
Sampling data using fast Fourier transform (FFT) to numerical algorithm has obtained the high accuracy air shaft synthesis parameter survey.
对采样后的数据运用快速傅立叶变换(FFT)进行数值计算，获得了高精度的风井综合参数的测量。
The sampling data quantity is reduced under the premise of ensuring the location accuracy, and the error effect caused by the time delay of the multiple sampling in every array element is eliminated.
在保证定位精度的前提下减少了采样数据量，并消除了阵元多次采样的时间延迟可能造成的误差影响。
Through thrice spline interpolation, we get full period sampling data from fix time sampling data. This method is proved feasible by an experiment.
通过三次样条插值，从定时采样的数据中获得整周期采样的数据，经过实验，证明是可行的。
Through thrice spline interpolation, we get full period sampling data from fix time sampling data. This method is proved feasible by an experiment.
通过三次样条插值，从定时采样的数据中获得整周期采样的数据，经过实验，证明是可行的。
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