其特点是应用统计检验和统计估计原理，使得到的结果更合理和简捷。
The characteristic is the application of the principle of statistical test and statistical estimation br.
消费价格指数是针对家庭消费品和消费服务的价格变动所做的统计估计。
A consumer price index is a statistical estimate of the movement of the prices of goods and services bought for consumption purposes by household.
消费价格指数是针对家庭消费品和消费服务的价格变动所作的统计估计。
A consumer price index is a statistical estimate of the movement of the pieces of goods and services bought for consumption purposes by households.
与相关量测噪声和未知噪声统计的多传感器系统，上线的噪声统计估计的相关方法。
For the multisensor systems with correlated measurement noises and unknown noise statistics, the on-line noise statistics estimators are obtained by the correlation method.
买家不愿按提供的价格购物的风险不是一种可以统计估计的风险，只有能被统计估计的风险才能被保险。
The risk that buyers will not buy goods at the prices offered is not of a kind that can be statistically estimated and risks can only be insured against if they can be so estimated.
现在，据普查统计估计，已知海洋物种总共有23万多种——而这也许还不到生活在海洋中生物的四分之一。
In total, the census now estimates that there are more than 230,000 known Marine species - but that this is probably less than a quarter of what lives in the sea.
现在，据普查统计估计，已知海洋物种总共有23万多种——而这也许还不到生活在海洋中生物的四分之一。
In total, the census now estimates that there are more than 230, 000 known Marine species - but that this is probably less than a quarter of what lives in the sea.
下面使用以上讨论的相同的示例数据，阐释在使用和不使用查询的统计视图的情况下基数估计的差别。
Using the same sample data just discussed above, the following illustrates the difference in cardinality estimates with and without the use of statistical view for the query.
尽管有些研究已经在统计每年被捕食的动物的数量，但是具体的结果仍在估计当中。
Although studies have been conducted in some areas to determine the actual number of prey killed each year, the results are estimates.
为改善估计，创建V11和V12这两个统计视图。
The two statistical views, V11 and V12 are created to improve estimation.
‘理解’被估计得过高，而统计分析却在自己的路上走了很远。
'Understanding' turns out to be overrated, and statistical analysis goes a lot of the way.
不使用统计视图-在这种情况下，对于数据的基数的估计明显不准确。
No statistical view - Here the cardinality based on the data is off significantly.
当查询性能中出现例外情况时，优化指南和统计视图特性对于弥补访问计划估计的不准确性非常有用。
Optimization guidelines and statistical views are useful features to compensate the access plan evaluations when exceptions in query performance occur.
有许多 推论统计步骤（根据样本数据估计总体参数的方法）可以被充分利用，但目前却没有应用它们。
An array of inferential statistical procedures (methodologies for estimating population parameters based upon sample data) could be fruitfully exploited, but at present are not being applied.
为了弥补这种估计错误，可以创建和准备一个统计视图，并像下面这样加以利用。
To compensate for the estimation error, a statistical view can be created and readied for exploitation as follow.
还不能统计他个人财富的现值，但是据估计福布斯排行榜2008年8月时公布他的个人财富128亿应该已经全部不复存在。
It is not known how much of his personal fortune, which was estimated at 12.8bn in March 2008 by Forbes, had been lost.
美国卫生统计中心估计在2008年有7462个外国新生儿在美国诞生，当时还比较便于统计，但是后来就比较困难和不可能了。
The Center for Health Care Statistics estimates that there were 7,462 births to foreign residents in the United States in 2008, the most recent year for which statistics are available.
但是透过一些统计数据和专家的分析估计，我们也许能够对这一问题得出相应结论。
But some statistics, as well as estimates from experts on the subject, provide some perspective on it.
这个示例解释说明了部分统计信息对于优化器估计基数的能力的影响。
This example illustrates the effect that partial statistics have on the ability of the optimizer to estimate the cardinality.
这些信息包括响应时间、此事务的sql语句计数、估计的成本、排序统计数据、与锁相关的详细信息等等。
This includes information such as response time, an SQL statement's count of that transaction, cost estimation, sorting statistics, locking related details, and so on.
一定要注意，确定性因子实际上是一个统计学概率的估计值，表示正确识别目录的概率。
It is important to note that the certainty factor is actually an estimate of the statistical likelihood that the category was identified correctly.
劳工统计局有用地提供了“平滑的”数据，调整了估计过程中的变化。
The BLS helpfully provides "smoothed" data that adjusts for the change in the estimation procedure.
劳工统计局估计刚刚失业的工业在接下来的一个月内有30%的机会找到工作。
The Bureau of Labour Statistics estimates that workers recently laid off have a 30% chance of finding work in a given month.
即使是统计局的估计，也可能夸大了最终的损失。
Even the statistical office's estimate may overstate the eventual cost.
优化器根据可用的统计信息计算基数的估计值，即预计查询返回的行数。
The optimizer calculates its cardinality estimate — that is, the estimated number of rows returned by the query — based on the statistics available.
根据上一次的人口统计调查(2003)，估计马耳他在当年年末的人口数(包括非马耳他居民)为399,867。
According to the last demographic survey (2003), the estimated population of the Malta at the end of that year (including non-Maltese residents) was 399,867.
但是蔡先生和其他人口统计学家估计，真实的比率是接近1.5。
But Mr. Cai and other demographers estimate the real rate is closer to 1.5 children.
国家统计局估计这样的经济活动大概占了GDP的16%之多。
Istat, the national statistics office, estimates that underground economic activity amounts to 16% of GDP.
国家统计局估计这样的经济活动大概占了GDP的16%之多。
Istat, the national statistics office, estimates that underground economic activity amounts to 16% of GDP.
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