RUNSTATS with system page-level sampling.
带有系统页级抽样的runstats。
Compared with no sampling, page-level sampling significantly improves performance.
与不进行抽样相比，页级抽样极大地提高了性能。
Page level sampling reduces I/O significantly since it reads only a percentage of the data pages.
而页级的抽样则可以显著减少I/O，因为它只读取一定百分比的数据页。
Some examples of RUNSTATS using Bernoulli row-level and system page-level sampling are as follows.
下面是一些使用贝努里(Bernoulli)行级和系统页级抽样的RUNSTATS例子。
But, row level sampling may produce more accurate statistics if relational data values are highly clustered.
但是，如果关系数据值是高度聚集的，那么行级抽样可以产生更精确的统计信息。
System page-level sampling is similar to row-level sampling, except that the pages are sampled and not rows.
系统页级抽样与行级抽样类似，除了抽样的对象是页面而不是行。
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。
Methods Using multi-level sampling method, 638 subjects were selected randomly and surveyed. The serological specimens from 638 subjects were separated and detected using haemoglutinin inhibition(HI).
方法采用多阶段抽样方法，随机抽取638名调查对象进行个案调查并采集血液标本分离血清，用血凝抑制（HI）方法对标本进行检测。
He suspects that further sampling in Europe may uncover yet more cryptic types of worms, species that look identical but are indeed separate on a genetic level.
他揣测，在欧洲进一步取样可能会发现更多的蠕虫隐性品种，这些物种外观相同，但在遗传水平上确实是各不相同的。
Before leaving, the scientists decided to test the equipment they would use to detect airborne nitryl chloride on the cruise by sampling the air in Boulder, a mile above sea level.
离开之前，科学家们决定通过抽样检测海拔一英里的博尔德市的空气，对在旅程中将会用来检测空气中硝基氯含量的设备进行检验。
Given the amount of effort and funds needed to launch a targeted - let alone a blanket - immunization programme at the global level, sentinel sampling is not enough.
考虑到为启动有针对性的——权且不提地毯式的——全球级免疫规划所需的努力和资金，单靠哨点抽样是不够的。
To improve the performance and lower the storage requirements of this routine, the estimation can be based on a subset of the data using extremely fast sampling on the page level.
为了改进性能并降低例程的存储要求，估算可使用页面级的极快速取样基于数据的一个子集。
The program consists of a statistical random sampling designed to detect a 1% incidence of violations at a confidence level of 95%.
该计划包括一个统计学上的随机采样，目的是在95%的置信程度上查出1%的违规几率。
The sampled pages are also prefetched, so this method would be faster than row-level Bernoulli sampling.
抽样页也是预取的，所以该方法将比行级贝努里(Bernoulli)抽样更快。
The filtering and sampling apply at this level.
filtering和sampling应用在这个级别。
Filters and sampling work at the root (or edge) transaction level.
Filters和sampling在根事务层次工作。
When sampling at the level of fresh gas delivery in non-rebreathing systems. The sampling line can become obstructed by condensation drops or aspiration of any fluids.
当新鲜空气水平的样品送至非循环系统。取样管可能被凝滴或误吸的任何液体堵塞。
Only sample information from a subset of users: If you set the detail level to High or Medium, set a sampling rate to prevent the log from getting too large.
Onlysampleinformationfroma subset ofusers：如果您设置了detaillevel为high或者Medium，则需要设置samplingrate以防止日志变得过大。
Advantages sof direct sampling are that areas hardest to clean and which are reasonably accessible can be evaluated, leading to establishing a level of contamination or residue per given surface area.
直接取样的好处是可以评估难以清洗和相当容易接近的区域，使得可确定每个给出的表面区域的污染物或残留物的级别。
Distance between dots should be uniform in the field measurement. Sampling number should be estimated by certain believe level, estimate accuracy and variance coefficient.
田间测墒时，点与点之间的距离要均匀，取样数目可以根据一定的置信水平、估值精度、变异系数做估算。
The rational sampling number was determined in a given precision at a known confidence level.
并且按一定的精度和置信水平确定了这两项的合理取样数目。
Another element that influences the quality of sampling is the level of resolution, or quantization of a sampler.
影响采样品质的另一个要素是所取样本的分辨率，或量化程度。
Acceptance criteria shall be defined by the organization and, where required, approved by the customer. For attribute data sampling, acceptance level shall be zero defects (see 8.2.3.1).
接收准则应由组织定义，要求时，应由顾客批准。对于计数型数据抽样，接收水平应是零缺陷(见8.2.3.1)。
For uniform time sampling, the level of frequency fluctuation will greatly influence the results of spectrum analysis.
采用等时隙采样方法，频率随机波动的大小则会严重影响谱分析的结果。
Under some level of error, the theoretical sampling number should decrease as the average density of the mite increases.
在相同误差水平，理论抽样数随平均虫口密度的增加而减少。
Use the unique digital reflection sampling technique, and special conveying belt, measurement accuracy of the finished product level.
采用独特的数码反射采样技术，及特殊的输送皮带，测量精度达到成品级。
The grey level processing in a sampling window is a very important method for image transforming.
窗口灰阶处理是一种具有重要意义的图象变换方法。
Design and application of two level computer control system that consists of PLC and process computer for concentrate measuring and sampling in copper melting plant are described.
介绍在铜冶炼厂由PLC和上位机组成的两级精矿自动计量和取样计算机控制系统的设计和应用情况。
The parameter panel includes trigger channel selection, trigger level, trigger delay, sampling frequency selection and sampling depth.
参数界面含触发通道选择、触发电平、触发延迟时间、采集频率及采集深度等设置。
The parameter panel includes trigger channel selection, trigger level, trigger delay, sampling frequency selection and sampling depth.
参数界面含触发通道选择、触发电平、触发延迟时间、采集频率及采集深度等设置。
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