Based on the MBR and the direct query predicate, this paper proposes a weighted processing method which mainly contributes to optimize the filter step of the multi-way R-tree join and extends the structure of R-tree and the MRJ algorithm.

  • 基于MBR及直接查询谓词,提出了能够优化多路R树连接筛选阶段的加权处理方法,扩展了R树结构及MRJ算法。
  • 来源:互联网摘选更新时间:2025-01-20 17:41:02

  • 重点词汇
  • papern.纸;报纸;材料;壁纸;论文;试卷;文件;
  • MBR主引导记录;
  • thispron.这,这个;这事,这人;这时;下面所说的事;
  • structuren.构造;建筑物;周密安排;
  • processingn.(数据)处理;整理;配置;工艺(生产方法)设计;
  • joinv.加入…之中;加入;参与;连接;会合;上(车等);
  • weightedadj.有利的;
  • directadj.笔直的,径直的;直接的;最近的;正好的;亲自的;坦率的;嫡系的;直爽的;
  • 相关例句
1、

The purpose of this study which prospectively applied HRCT and MRJ was to analyze the imaging features of various cystic lesions with different pathologic nature and biologic behavior of the jaw.

本研究拟通过前瞻性地应用HRCT及MRI检查,分析不同病理性质及生物学行为的颌骨囊性病变的影像学特征;

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2、

Methods: Sixteen New Zealand white rabbits were implanted with Vx 2 tumor in the left lobe of liver. MRJ and DSA were performed after 2-3 weeks.

方法:新西兰兔20只,Vx2瘤块剖腹接种于兔肝左叶,2~3周后行MR扫描、DSA造影。

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3、

The order is the first for the MRJ, a 70-90 seat regional jet to be built by Mitsubishi with government funding.

三菱重工将在政府的资助下,生产70至90座的MRJ支线客机,而全日空的订单是该飞机的首批订单。

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4、

Pathological Mechanism and CT/ MRJ Evaluation of Pleural Indentation in Peripheral Bronchogenic Carcinoma

周围型肺癌胸膜凹陷征形成的病理机制及CT和MRI评价

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5、

The MNJ has also begun launching attacks against military and mining targets in which more than 30 soldiers have been killed.

尼日尔人争取正义运动还开始袭击军事目标和采矿目标,已造成逾30名士兵死亡。

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6、

The IPS study shows that GE ( GE), Microsoft ( MSFT), Merck ( MRK), and Cisco ( CSCO) have nearly$ 250 billion in offshore income.

美国政策研究所的研究显示,光通用电气(GE)、微软(Microsoft)、默克(Merck)和思科(Cisco)就有近2500亿美元的海外利润。

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7、

Soil non-exchangeable K ( NEK) and mineral K ( MRK) were the main sources from which the absorbed K was in wheat.

土壤非交换性钾和矿物钾是冬小麦吸收钾素的主要来源。

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8、

Hassan is the former chairman and CEO of Schering-Plough, now part of Merck ( MRK).

哈桑是灵葆雅(Schering-Plough)的前董事长兼CEO,现在该公司已被默克(Merck)收购。

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9、

Markarian 478 ( Mrk 478) is one of the prototype narrow line Seyfert 1 galaxies.

Markarian478是典型的窄线赛弗特I星系之一。

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10、

We present far ultraviolet spectra of Mrk 478 obtained in 2001 January with the Far Ultraviolet Spectroscopic Explorer.

本文展示了在2001年1月利用远紫外光谱探测卫星(FUSE)观测到的Markarian478的远紫外光谱。我们的光谱覆盖了915Å

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11、

To mark revisions, double-click "MRK" on the status bar.

双击状态栏中的修订可标记修订位置。

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12、

Asymptotic stability of MRK methods for system of delay integro-differential equations

延迟积分微分方程多步RK方法的渐近稳定性

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13、

Polymorphism Analysis of the MSTN Gene Digested with Mnl ⅰ in Main Native Goat Breeds of China

我国主要地方山羊品种MSTN基因的MnlⅠ酶切多态性分析

互联网摘选

14、

For self-driving tour frequency select model, also adopted Multinomial Logit ( MNL) model to estimate parameters.

对于自驾车旅游频率选择模型,还采用了多项Logit(MNL)模型进行参数估计。

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15、

The parameters of MNL model were estimated by using data of Beijing Trip Survey, and then the results were examined successfully.

利用北京市居民出行调查数据估计模型的参数值,并对模型进行检验和分析。

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16、

The maximum non effect level ( MNL) of the GS 1 was 20 mg/ kg.

亚慢性毒性试验的最大无作用剂量(MNL)为20mg/kg。

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17、

Then using information entropy and RST to analysis and compare the result which produces by MNL.

并利用RST以资讯熵方式离散导入做分析,比较跟MNL所产生的结果。

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18、

Based on these, Utility Theory and MNL are used to create traffic mode split model between cities;

在此基础上,运用效用理论和MNL理论建立城际间交通方式分担模型;

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19、

Research on Rail Transit Passenger Route Choice Question Based on MNL

基于MNL的轨道交通乘客路径选择问题研究

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20、

The MRM domain has been enhanced in the following ways

MRM域通过以下方式得到了增强

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