When distribution statistics are generated for the column "TYPE," the optimizer knows the real frequency of each model.
而一旦生成了关于“TYPE”列的分布统计信息，优化器即可了解每种型号真正的出现频率。
The analyst works with these inferences as well as the basic frequency distribution to assess the integrity of the domain or column and report findings.
分析师使用这些推断和基本频率分布来评估域或列的完整性，并报告得到的发现。
Calculate the distribution of column values.
计算列值的分布。
The large number of distinct values in the pdb_id column ensures a relatively even distribution of rows over the database partitions.
pdb_id列中各异的值数量很大，这就确保了跨数据库分区可以获得相对均衡的行分布。
For each distribution channel, one column that denotes the number of entries for the customer for that particular channel.
对于每一个分销渠道来说，一个列表示适用于特别渠道的客户条目的数量。
Without column data-value distribution information in the catalog, DB2 will assume an even distribution of values, which may lead the optimizer to a sub-optimal access path.
如果编目中没有列数据值分布信息，DB 2就会假设值是均匀分布的，这可能导致优化器选择非最优的访问路径。
The distribution key must consist of relational columns, and it cannot reference an XML column.
分布键必须由关系列组成，它不能引用xml列。
If a primary key is specified in the CREATE TABLE statement, the first column of the primary key is used as the distribution key.
如果在CREATEtable语句中指定了一个主键，那么主键的首列会被用作分配键。
For solving the problem, make a study of growth law and space distribution law of karstic collapse column in North China area.
为了解决陷落柱问题，文章对华北地区陷落柱的发育规律和陷落柱的空间分布规律进行了研究。
In a soil column culture and a field experiment, the comparison of root distribution of spreading-leaf and upright-leaf maize cultivars in Songnen Plain was studied.
采用土柱模拟栽培法与大田试验相结合的方法，对松嫩平原不同株型玉米的根系分布特征进行了比较。
The distribution of typhoon precipitation presents the positive ad negative change as the gravity wave column wise under the influence of terrain.
台风降水受地形影响呈现出类重力波列式的正负相间的变化分布。
Conclusion the scatter plot of row and column points indicates directly the characteristics of the distribution and the inner relationship.
结论因子负荷图直观地表述了各疾病与月份之间的内在联系与分布特征。
Through the theoretical calculation, the radial and axial temperature distribution of arc column and the thermal boundary region were obtained.
通过测量和分析计算获得了弧柱和热区的径向及轴向温度分布。
Gradation of sand column and sediment concentration of muddy water and water head are remarkably effective factors for the fine grain distribution in sand column.
砂柱的颗粒组成、水含沙量和入渗水头对滞留分布产生显著的影响。
The distribution of components inside SMB column was simulated. The results showed that the SMB process was a dynamical equilibrium system.
分析模拟移动床色谱柱内物料浓度的分布情况，表明色谱分离是一个动态平衡的过程。
According to the liquid flow characteristic of bubble column, we hope to decrease axial backmixing of the liquid by putting some baffles which have certain distribution rule in the bubble column.
根据鼓泡塔内液相流体的流动特点，我们希望在鼓泡塔内加入了一定数量按照一定规律排列的挡板，能够减弱鼓泡塔的液相轴向返混。
A polar PEG-20M column was applied for the analysis of the contents and distribution of FAME in biodiesels from 8 different vegetable oils.
采用极性聚乙二醇色谱柱测定了8种不同植物油中脂肪酸甲酯的含量和分布。
The paper makes study about magnetic -field distribution of analyzing iron spectrum by using scalar-quantity magnetic column.
利用标量磁位，对分析式铁谱仪的磁场分布进行了研究。
At first, linear stress analyses were performed to investigate the stress-strain distribution of axially compressed column-supported steel silos with engaged columns.
通过线性分析初步了解了轴压下仓壁柱承钢筒仓的应力应变分布特性。
A quadratic polynomial describing the temperature distribution in width direction of workpieces welded with column-shaped pin was obtained by regression analyzing the experimental data.
通过对采用圆柱形搅拌针时垂直于焊缝方向上焊接试板温度数据的回归分析，得到了焊接试板宽度方向温度分布的二次解析式。
The square layout and efficient core distribution enhance this flexibility and result in a net floor surface of 80% of column-free Spaces which feature a 3, 5 meter ceiling height.
正方形的平面和高效的核心分流增强了的灵活性，实现净楼面80%的无柱区域和3.5米的挑高。
In this paper we establish a set of kinetic equations from Liouville's theorem which can be used to describe the charged particle distribution in the accretion column of a neutron star.
本文从刘维定理出发，通过相空间求平均，建立了中子星吸积柱中粒子流连续方程和动量迁移方程。
In this paper we establish a set of kinetic equations from Liouville's theorem which can be used to describe the charged particle distribution in the accretion column of a neutron star.
本文从刘维定理出发，通过相空间求平均，建立了中子星吸积柱中粒子流连续方程和动量迁移方程。
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