aggregations

It is inefficient and potentially expensive for frequent queries, especially for queries requiring aggregations.

这种方法是低效的,并且对于频繁的查询, 特别是需要聚集操作的查询,开销很大.

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Size of current aggregations in memory. This count is an estimate.

内存中的当前聚合的大小. 此计数为估计值.

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The second part mainly analyze some famous industry aggregations in developed countries combining every elements in Porter Diamond Model. The purpose is in order to provide valuable experience for electrical information industry development in Beijing area.

第二部分结合波特钻石模型的各要素对发达国家或地区声名显赫的产业集群进行了分析，从而对北京地区发展电子信息业创新发展提供了宝贵的借鉴经验。

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The paper tries to solve this by introducing spatial dimension, indexes of spatial aggregations index which point to the record set of spatial aggregation, as well as spatial constrains sets, into the traditional MDM, to construct spatial MDM and spatial data cube.

文中尝试在传统多维数据模型中引入空间维度，在度量中引入指向空间聚合结果的空间聚合索引，并引入空间算子集合，从而构造出空间多维数据模型和空间立方体。

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the shape of the choochoo train and toys were aggregations of polygons -- no graceful curves.

这个呜呜叫的小火车还有其它玩具的形状都是由多面体堆起来的：没有什么优美曲线。

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If a measure has more than one aggregation function in its list of aggregations, then the measure is an asymmetric measure.

如果一个度量在它的聚合列表中有多个聚合函数，那么这个度量就是非对称的度量。

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Block copolymers can form various ordered structure aggregations via self-assembly.

嵌段聚合物通过自组装可以形成具有各种结构的有序集聚体。

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The atoms of the different chemical elements are different aggregations of atoms of the same kind.

不同化学元素的原子是同类原子的不同聚合物.

词典精选例句

RGD-containing peptides have been reported to inhibit tumor metastasis, tumor-induced angiogenesis and tumor-elicited platelet aggregations.

据报道,含有RGD的肽具有抑制肿瘤细胞粘附、抗癌细胞转移和 抗肿瘤 新血管生成等方面的功能.

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Gonads are aggregations of developing gametes.

生殖聚集形成配子.

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It has been found that there are two obvious transition points on the relation curve of the number of bipyramid aggregations determined by the HA ( Honeycutt-Andersen) index of bond-type with rapid cooling temperature.

发现在由HA（Honeycut－Andersen）健型指数所确定的双锥体原子团结构的数目随急冷温度变化的关系曲线上存在着二个明显的转变点。

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A type of probability sample in which aggregations of sampling units, called clusters, are sampled at some stage in the process.

是一种将样本单元聚集在一起的随机抽样法.样本群在抽样的某一步骤被抽出。

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Phycobiliproteins with different aggregations have different molar excitinction coefficients.

具有不同聚集态的藻胆蛋白有着不同的摩尔消光系数.

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Determines whether level should be considered when designing aggregations to optimize performance.

确定在设计聚合以优化性能时是否要考虑级别.

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Use this option to renew all of the data and recalculate the aggregations for your cube.

使用此选项可为多维数据集更新所有的数据并重新计算聚合.

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A pattern of overlapping aggregations is usually found.

通常可发现一种叠聚集现象.

词典精选例句

The copolymers self-assembled into nanoscale micellar/ vesicular aggregations in phosphate buffer solution at pH7.4.

共聚物在pH7.4的磷酸缓冲溶液中可以自组装聚集形成胶束状或囊泡状纳米粒子。

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