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单词 compactness
释义

compactness /kəm'pæktnis//kəmˈpæktnɪs/

英汉-汉英词典
  1. n. 紧密;坚实
  2. 紧凑;小巧
  3. 简洁
词组 | 习惯用语
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  • compact adj. 小型的;袖珍的;紧凑的;体积小的;紧密的;坚实的;(人或动物) 矮小而健壮的 n. 协定;协议;契约;合约; (内有镜子的) 化妆粉盒;【美式】小汽车 v. 把…紧压在一起(或压实)
  • completeness n. 完全
  • composedness n. 镇定;沉著
compactness n. 简洁;紧密;密实度;紧密度
fuel compactness 可燃物密度
compactness of fuel 可燃物紧密度

网络短语:
backfill soil compactness 回填土密实度不足
sequential compactness 列紧性
self compactness 自密实性能
s-sequential compactness s列紧
Compactness Histogram 细胞圆度分布图
nearly compactness 近似紧性
concrete compactness 土压实度
trongly compactness 强紧性
英语例句库
  1. This paper presents how to automatically recognize components in a digital iconological image by labeling connected component and calculate its compactness and centriod.
    通过对目标连通区域标记及紧凑度、重心位置计算的方法来实现数字图像中特征目标自动识别的功能。

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原声例句
TED-Ed(视频版)

The advantage of the transistor lies in its efficiency and compactness.

晶体管的优势在于其效率和紧凑性

精选英语短文

Nevertheless, Ridenour says the compactness of these buildings " puts more pressure on the public domain being where people gather and recreate rather than private communal space" .

尽管如此,Ridenour 表示,这些建筑的紧凑性“给人们聚集和娱乐的公共领域带来了更大的压力,而不是私人公共空间”。

精选英语短文

But this intense compactness is offset by generous shared space, according to Durbach, including a big public room at the base, as well as a hammam bathhouse and pool at the top.

但根据 Durbach 的说法,这种强烈的紧凑性被宽敞的共享空间所抵消,包括底部的一个大公共房间,以及顶部的土耳其浴室和游泳池。

中文百科

紧空间 Compact space

(重定向自Compactness)

在数学中,如果欧几里得空间 R 的子集是闭合的并且是有界的,那幺称它是zh-hans:紧致的。例如,在 R 中,闭合单位区间 [0, 1] 是紧致的,但整数集合 Z 不是(它不是有界的),半开区间 [0, 1) 也不是(它不是闭合的)。

更现代的方式是称一个拓扑空间为紧致的,如果它的开覆盖都有有限子覆盖。海涅-博雷尔定理证明了这个定义对欧几里得空间子集等价于“闭合且有界”。

注意: 某些作者如布尔巴基使用术语“预紧致”,并把“紧致”保留给是豪斯多夫空间并且“预紧致”的拓扑空间。一个单一的紧致集合有时称为紧统(compactum)。在法语的数学著作中,quasi-compact是指紧致,compact是指紧致且豪斯多夫,不同于英语。

英语百科

Compact space 紧空间

(重定向自Compactness)
The interval A = (-∞, -2] is not compact because it is not bounded. The interval C = (2, 4) is not compact because it is not closed. The interval B = [0, 1] is compact because it is both closed and bounded.

In mathematics, and more specifically in general topology, compactness is a property that generalizes the notion of a subset of Euclidean space being closed (that is, containing all its limit points) and bounded (that is, having all its points lie within some fixed distance of each other). Examples include a closed interval, a rectangle, or a finite set of points. This notion is defined for more general topological spaces than Euclidean space in various ways.

近义、反义、联想词
近义词
n.
spacing, spatial arrangement, solidity, solidness

联想词
portability可携带,轻便;robustness强度;simplicity简单, 朴素, 率直;versatility多才多艺;smoothness平滑;practicality实际;efficiency效率, 效能;durability耐久性;rigidity硬度,刚性;adaptability适应性;density密度;
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