aggregate

"aggregate"是什么意思-"aggregate"翻译_aggregate的发音 ...

n. 1. a sum total of many heterogenous things taken together. 2. the whole amount. v. 1. amount in the aggregate to. 2. gather in a mass, sum, or whole. adj. 1. gathered or tending to gather into a mass or whole. 2. formed of separate units in a cluster.

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AGGREGATE meaning in the Cambridge English

aggregate noun [C or U] (TOTAL) something formed by adding together several amounts or things: They purchased an aggregate of 3,000 shares in the company. Snowflakes are loose aggregates of ice crystals. Arsenal lost the second game, but got through to the final on aggregate

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Aggregate - Wiley Online Library

Aggregate aims to publish on a wide variety of topics that focus on the processes of aggregation of atoms, ions, molecules, oligomers, polymers, clusters, particles, gels, hybrids, composites, cells, pathogens, etc. in a broad range of areas such as chemistry, physics, materials, engineering, biology, life science and so forth. Aggregates often behave differently from, and exhibit advanced functionalities

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R语言-数据整形之aggregate函数 - 银河统计 - 博客园 ...

2016-5-25  这个函数的功能比较强大,它首先将数据进行分组(按行),然后对每一组数据进行函数统计,最后把结果组合成一个比较nice的表格返回。. 根据数据对象不同它有三种用法,分别应用于数据框(data.frame)、公式(formula)和时间序列(ts):. aggregate ( x, by, FUN, ..., simplify = TRUE) aggregate ( formula, data, FUN, ..., subset, na.action = na.omit) aggregate ( x, nfrequency = 1, FUN =

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MongoDB 聚合 菜鸟教程 - RUNOOB.COM

aggregate() 方法 MongoDB中聚合的方法使用aggregate()。 语法 aggregate() 方法的基本语法格式如下所示: >db.COLLECTION_NAME.aggregate(AGGREGATE_OPERATION) 实例 集合中的数据如下:

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科学网—Aggregate旗舰新刊正式上线 Together we shine ...

2020-11-4  Aggregate 是由华南理工大学、广东省大湾区华南理工大学聚集诱导发光高等研究院、Wiley 三方合作创办的一本旗舰开放获取期刊。 唐本忠院士 担任期刊主编,聚焦“ 聚集体 (aggregate) ”领域的前瞻性科研成果,现已正式上线! 欢迎投稿!1. “聚集体”点亮新型功能材料

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mongoDB中聚合(aggregate)的具体使用 - 简书

mongoDB中聚合(aggregate)的具体使用 最近在学习mongoDB的使用,本文来介绍一下其中aggregate的具体使用 先来看一个分组的例子,本例中$group是一个管道操作符,获得的结果可以接着输出到下一个管道,而内部的$sum是一个表达式操作符。 用$group 举

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"aggregate"是什么意思-"aggregate"翻译_aggregate的发音 ...

The aggregate possesses great proportion in the cement concrete and has important effect on characteristics of cement concrete. 集料在水泥混凝土中占有相当大的比例,对水泥混凝土的性质有很大的影响。 英英解释 n. 1. a sum total of many heterogenous ...

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aggregate_百度百科

2021-1-27  AGGREGATE 函数适用于数据列或垂直区域,不适用于数据行或水平区域。例如:当使用选项 1 对某个水平区域进行分类汇总时,例如 AGGREGATE(1, 1, ref1),则隐藏某一列并不会影响聚合总值。但是,隐藏垂直区域中的某一行就会对聚合总值产生影响。

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Aggregate Definition of Aggregate at Dictionary

Aggregate definition, formed by the conjunction or collection of particulars into a whole mass or sum; total; combined: the aggregate amount of indebtedness. See more.

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Aggregate - definition of aggregate by The Free

Define aggregate. aggregate synonyms, aggregate pronunciation, aggregate translation, English dictionary definition of aggregate. adj. 1. Constituting or amounting to a whole; total: aggregate sales in that market. 2. Botany Crowded or massed into a dense cluster. 3. Composed of a...

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AGGREGATE 函数 - Office 支持

AGGREGATE 函数可将不同的聚合函数应用于列表或数据库,并提供忽略隐藏行和错误值的选项。 Ref1 必需。函数的第一个数值参数,这些函数具有要计算聚合值的多个数值参数。 Ref2,...

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C#累加器函数Aggregate用法 讲解 - 华安 - 博客园

2014-4-2  Enumerable. Aggregate 扩展方法在System.Linq命名空间中,是Enumerable类的第一个方法(按字母顺序排名),但确是Enumerable里面相对复杂的方法。 MSDN对它的说明是: 对序列应用累加器函数。 备注中还有一些说明,大意是这个方法比较 ...

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科学网—Aggregate旗舰新刊正式上线 Together we shine ...

2020-11-4  Aggregate 是由华南理工大学、广东省大湾区华南理工大学聚集诱导发光高等研究院、Wiley 三方合作创办的一本旗舰开放获取期刊。 唐本忠院士 担任期刊主编,聚焦“ 聚集体 (aggregate) ”领域的前瞻性科研成果,现已正式上线! 欢迎投稿!1. “聚集体”点亮新型功能材料

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Mongoose: aggregate() 方法实现聚合函数_Szh-CSDN博客

2020-2-9  问题描述:有下列sql语句:// 查找名字性别唯一的学生 select distinct name,sex from student// 转换成MongoDB的话,需要把这种组合列去重,MongoDB好像只支持单个field的去重 db.student.distinct("name"); // 只支持一个field db.student.distinct("name

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aggregate — MongoDB Manual

2021-3-10  Field Type Description; aggregate: string: The name of the collection or view that acts as the input for the aggregation pipeline. Use 1 for collection agnostic commands.: pipeline: array: An array of aggregation pipeline stages that process and transform the document stream as part of the aggregation pipeline.: explain

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django的聚合函数和aggregate、annotate方法使用详解 ...

2019-7-23  1、aggregate: 这个方法时一个QuerySet对象的API,在执行聚合函数的时候,是对QuerySet整个对象的某个属性汇总,在汇总时不会使用该模型的主键进行group by进行分组,得到的是一个结果字典。 同时,该方法支持聚合关联表(如使用ForeignKey)中 ...

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aggregate是什么意思_aggregate的翻译_音标_读音_用法 ...

The aggregate grading study on particulate reinforced composite ( resin and plate composite ) were studied with test. 通过试验对颗粒增强复合材料 ( 树脂和石英砂复合材料 ) 进行集料级配研究. 期刊摘选

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Aggregate - definition of aggregate by The Free

Define aggregate. aggregate synonyms, aggregate pronunciation, aggregate translation, English dictionary definition of aggregate. adj. 1. Constituting or amounting to a whole; total: aggregate sales in that market. 2. Botany Crowded or massed into a dense cluster. 3. Composed of a...

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AGGREGATE 函数 - Office 支持

AGGREGATE 函数可将不同的聚合函数应用于列表或数据库,并提供忽略隐藏行和错误值的选项。 Ref1 必需。函数的第一个数值参数,这些函数具有要计算聚合值的多个数值参数。 Ref2,...

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AGGREGATE函数-WPS学院

2020-9-2  AGGREGATE函数是一个数学与三角函数,它可以返回列表或数据库中的合计。简单的来讲AGGREGATE函数可将不同的聚合函数,应用于列表或数据库并提供忽略隐藏行和错误值的公式计算。AGGREGATE函数语法为AGGREGATE(函数序号、选项、引用、引用

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aggregate中文(繁体)翻译:剑桥词典

2021-3-9  aggregate翻译:聚集體,集成體;總數,合計, 骨料,集料,粒料(建築用的小石料), 合計的,總的;總數的, 使聚集,使積聚。了解更多。

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aggregate - Wiktionary

2021-3-15  Noun []. aggregate (countable and uncountable, plural aggregates) . A mass, assemblage, or sum of particulars; something consisting of elements but considered as a whole.. 1898, Arthur Berry, A Short History of Astronomy Chapter 12 - Herschel If the nebulosity were due to an aggregate of stars so far off as to be separately indistinguishable, then the central body would have to be a star of ...

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R语言中aggregate函数_r语言aggregate函数_aggregate-数据分析

R语言中aggregate函数 前言 这个函数的功能比较强大,它首先将数据进行分组(按行),然后对每一组数据进行函数统计,最后把结果组合成一个比较nice的表格返回。根据数据对象不同它有三种用法,分别应用于数据框(data.frame)、公式(formula)和时间序列(ts): aggregate

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科学网—Aggregate旗舰新刊正式上线 Together we shine ...

2020-11-4  Aggregate 是由华南理工大学、广东省大湾区华南理工大学聚集诱导发光高等研究院、Wiley 三方合作创办的一本旗舰开放获取期刊。 唐本忠院士 担任期刊主编,聚焦“ 聚集体 (aggregate) ”领域的前瞻性科研成果,现已正式上线! 欢迎投稿!1. “聚集体”点亮新型功能材料

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聚合—帮助 ArcGIS for Desktop

2016-7-8  OutRas = Aggregate(InRas1, 3, Max, Expand, Data) 用法 如果输入栅格值为整型,并且使用除“平均值”以外的任意统计类型选项,则输出栅格为整型。如果输入栅格值是浮点型或统计类型为“平均值”,则输出栅格为浮点型。此工具将识别地理处理分析环境范围和。

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pandas.DataFrame.aggregate — pandas 1.2.3

2021-3-2  pandas.DataFrame.aggregate¶ DataFrame. aggregate (func = None, axis = 0, * args, ** kwargs) [source] ¶ Aggregate using one or more operations over the specified axis. Parameters func function, str, list or dict. Function to use for aggregating the data. If a function, must either work when passed a DataFrame or when passed to DataFrame.apply.

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Aggregate building material Britannica

Aggregate, in building and construction, material used for mixing with cement, bitumen, lime, gypsum, or other adhesive to form concrete or mortar. The aggregate gives volume, stability, resistance to wear or erosion, and other desired physical properties to the finished product. Commonly used

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AGGREGATE Definition of AGGREGATE by Oxford

‘In aggregate, Irish banks have delivered average compound earnings growth of 12% over the past five years.’ ‘In aggregate, the collection attests to the founders' faith in multiple forms of evidence as the reservoir from which keener perspectives about the past would be drawn.’

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Aggregate Synonyms, Aggregate Antonyms Merriam

14 synonyms of aggregate from the Merriam-Webster Thesaurus, plus 18 related words, definitions, and antonyms. Find another word for aggregate. Aggregate: a complete amount of something.

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R语言中aggregate函数_r语言aggregate函数_aggregate-数据分析

R语言中aggregate函数 前言 这个函数的功能比较强大,它首先将数据进行分组(按行),然后对每一组数据进行函数统计,最后把结果组合成一个比较nice的表格返回。根据数据对象不同它有三种用法,分别应用于数据框(data.frame)、公式(formula)和时间序列(ts): aggregate

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DDD 实践手册(4. Aggregate — 聚合) - 知乎

2020-2-17  上一篇中介绍了 DDD 中的核心概念,Entity 实体与 Value Object 值对象的概念,以及如何在项目中实现它们。而本篇文章我会介绍 DDD 中另一个核心概念,Aggregate 聚合。 什么是 Aggregate ?其实 Aggregate 是一种

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Aggregate Industries Building Materials At The

2021-3-15  About Aggregate Industries. We’re at the frontline of the construction and infrastructure industries, producing and supplying an array of construction materials. With over 200 sites and around 3700 dedicated employees, we’re home to everything from aggregates, asphalt, ready-mixed concrete and precast concrete products.

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Pandas的数据分组-aggregate函数 - Python学习园

2019-3-15  30. Pandas的数据分组-aggregate 聚合 在对数据进行分组之后,可以对分组后的数据进行聚合处理统计。 agg函数,agg的形参是一个函数会对分组后每列都应用这个函数。 import pandas as pd import numpy as np idx = [101,101,101,102,102,102,103,103,103 ...

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聚合—帮助 ArcGIS for Desktop

2016-7-8  OutRas = Aggregate(InRas1, 3, Max, Expand, Data) 用法 如果输入栅格值为整型,并且使用除“平均值”以外的任意统计类型选项,则输出栅格为整型。如果输入栅格值是浮点型或统计类型为“平均值”,则输出栅格为浮点型。此工具将识别地理处理分析环境范围和。

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【S01E12】pandas之函数应用:map、apply、agg和transform

2020-9-7  apply、aggregate、transform、map傻傻搞不清楚?看这篇就对了 groupby对象的函数 ----- apply 在不同分组上应用‘func’函数,然后将结果组合起来。 ----- agg/aggregate 聚合(agg/aggregate)在特定轴(列)上应用

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