我们从实验和理论两个方面研究了激光束在折叠湍流大气路程上传输时的统计特性。
We have studied the statistical characteristics of laser beams propagating through a folded path in the turbulent atmosphere experimentally and theoretically.
再加上中国正在进行的货币紧缩政策导致国内需求减缓，中国的经济放缓可能更像是一种趋势，而非一时的统计异常现象。
And when combined with the on-going monetary tightening that has slow-down domestic demand, China's slow-down may be more of a trend rather than a statistical aberration.
一张谷歌词频统计图显示，到1993年时，在各类书中，气候变化这一词的使用频率就已经超过全球变暖。
A Google Ngram Viewer chart shows that by 1993 climate change was already more commonly used in books than global warming.
如果为一个昵称收集了统计信息，那么在数据源上对相应远程表的远程统计信息进行更新时，这些统计信息不会自动更新。
Once the statistics are gathered for a nickname, they are not automatically modified when the remote statistics are updated on the data source for the corresponding remote table.
当有关表的统计信息不准确时，可能会造成性能问题。
When statistical information about tables is not accurate, it may cause performance problems.
当使用大型DGTT时，统计数据和索引对于性能是至关重要的。
Statistics and indexes are crucial for performance when large DGTTs are used.
这个昵称在昵称创建时收集最新的统计信息。
This nickname receives the latest statistics at nickname creation time.
虽然这个访问计划比使用具体值但没有分布统计信息情况下的访问计划好，但不如既使用具体值又有分布统计信息时的访问计划。
Although the access plan is better than the access plan with concrete values without distribution statistics, it is worse than the access plan with concrete values with distribution statistics.
在命令行上，您需要指定要在报告统计信息时使用的间隔(以秒为单位)。
On the command line, you need to specify the interval (in seconds) to use when reporting statistics.
科学家们在谈论气候时，实际都是在谈论关于天气的统计数据。
SP: When scientists talk about climate, what we’re talking about is the statistics of weather.
EM-DAT作为一家位于比利时的流行自然灾害研究机构对这些统计有一个黄金标准。
Run by Belgium's Center for Research on the Epidemiology of Disaster, EM-DAT is the gold standard for these statistics.
仅在收集了一个表中至少一个列的分布统计信息时，SYSCAT.COLDIST 才会包含关于该表的条目。
SYSCAT.COLDIST contains entries for a certain table only if distribution statistics have been collected for at least one of its columns.
但是，令人吃惊的是，当依据这些公式用计算机模拟出模型时，大多数女性认为这的确是理想的统计。
But astonishingly, when shown computer mock-ups of the female form based on these equations, most women agree that they are indeed the ideal vital statistics.
聚合实例时捕捉数字值的统计数据的出色方法。
Aggregate instances are a great way to capture statistics on numerical values.
被试在回答开放式的问题时，可以有很多种答题的选择，但是在统计的时候就不容易了。因为数据必须按照某种方式编码或者缩减。
Open-ended questions allow for a greater variety of responses from participants but are difficult to analyze statistically because the data must be coded or reduced in some manner.
在揭示死亡率趋势改进了原先的统计方法，尤其是在统计数据可靠度偏低时的预测结果更加准确。
It advances statistical techniques that appear to be better than earlier approaches at exposing trends in mortality, especially when the underlying data are dodgy.
这种选择仅仅在不会引入不可接受的风险到已存在的需求和整个系统计划时才被考虑。
This option would be considered only if it didn't introduce an unacceptable risk to existing requirements and to the overall system plan.
研究人员发现当把头发放在自然带有黄金而又没有细菌的土壤中培养时，它的金子的含量不会达到任何有统计学意义的水平。
The researchers found gold levels did not increase in the hair to any statistically significant degree when it was incubated without the microbes in naturally gold-laden soils.
在选择数据的访问路径时，如果没有正确的列分布统计数据，DB 2可能没有足够的信息来做出最佳的选择，尤其是如果数据出现严重误差。
Without correct column distribution statistics, DB2 may not have enough information to make the best choice when choosing an access path to the data-especially if data is heavily skewed.
DB2在生成统计信息时，不但能提供基本统计信息，还允许创建所谓的分布统计信息。
When generating statistics, DB2 offers the possibility to create so-called distribution statistics in addition to the basic statistics.
这个访问计划的成本明显低于没有分布统计信息时的成本：前者为203.809，而后者为3242.63。
The costs for this access plan are clearly below the costs for the access plan without distribution statistics: 203.809, instead of 3242.63.
在确定要使用哪些适当的统计检验时，实验设计的一个重要方面是选择数据收集的 衡量尺度。
One aspect of experimental design that is critical in determining the appropriate statistical test to use is the choice of measurement scale for data collection.
IDS现在可以在索引创建时自动收集起始索引健上的索引统计信息。
IDS now automatically collects index statistics on the leading index key while the index is being created.
当启用自动统计信息配置时，数据库活动的有关信息被收集并存储在查询反馈仓库中。
When automatic statistics profiling is enabled, information about database activity is collected and stored in a query feedback warehouse.
当对文件的元信息进行操作时(比如修改它的所有者、对文件进行统计，或者修改它的权限位)，首先要打开该文件，然后对打开的文件进行操作。
When performing operations on a file's meta-information, such as changing its owner, stat-ing the file, or changing its permission bits, first open the file and then use the operations on open files.
随后在执行jdbc语句更新对应请求的统计值时，会使用这个图。
This map is used subsequently when JDBC statements are executed to update statistics for the appropriate request.
我们总是很难谨守逻辑推演原则，我们在统计推理时甚至往往会犯基本的错误。
We have a very hard time sticking to rules of deductive logic, and we constantly make basic errors in statistical reasoning.
在最近的普查时2001年展开的，当时统计的数量达到31,000，而有人认为不止这些。
The most recent census, carried out in 2001, counts 31, 000, but others take a broader view.
在上一次同一时间段的统计中，安吉莉娜茱丽和珍妮弗·安妮·斯顿分列女星收入榜前两位。
Angelina Jolie and Jennifer Aniston were the highest paid actresses during a similar period one year earlier.
在上一次同一时间段的统计中，安吉莉娜茱丽和珍妮弗·安妮·斯顿分列女星收入榜前两位。
Angelina Jolie and Jennifer Aniston were the highest paid actresses during a similar period one year earlier.
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