聚合(aggregation):指的是整体与部分的关系。通常在定义一个整体类后,再去分析这个整体类的组成结构。从而找出一些组成类,该整体类和组成类之间就形成了聚合关系。需求描述中“包含”、“组成”、“分为…部分”等词常意味着聚合关系。 组合(composition):也表示类之间整体和部分的关系,但是组合关系中部分和整体具有...
cfs = CashFlowSeries('cfs0', time_list, cash_flows, sr) 类之间有多种关系,请大家看维基百科,类别图 下面主要介绍聚合(Aggregation)以及组合(Composition)。 聚合(aggregation):指的是整体与部分的关系。通常在定义一个整体类后,再去分析这个整体类的组成结构。从而找出一些组成类,该整体类和组成类之间就形成...
/usr/bin/env python# coding:utf-8'''类对象组合关系'''class Cpu(object): def __init__(self): self.type = '286'class Computer(object): def __init__(self): self.cpu = Cpu() # 包含CPu类的实例对象 def __del__(self): print "Cpu by by!"old_computer = Computer()del old_compu...
They were used to filter observation records and to constrain the extents of the projected ranges. We modeled the distributions of 24,140 tree species with at least 20 distinct observations after aggregation, and with reported native countries available from GlobalTreeSearch39. We assessed the ...
- This is a modal window. No compatible source was found for this media. Shared resource pattern is actually a conglomerate of all types of patterns mentioned earlier. In this pattern, the client or the load balancer will directly communicate with each service whenever necessary. This is the ...
The addition of sterols (SITO and STIG) in large quantities (over 48% in composition) stiffens the membrane46 due to aggregation into domains47,48 and prevents the acyl tails of the phospholipids from changing its conformation or mixing in the membrane bulk. As such, the sampled conformation ...
Cloud Service Composition (CSC) has become pivotal in this context, playing a crucial role in enhancing efficiency, Quality of Service (QoS), and customer satisfaction through the aggregation of diverse Cloud Services (CSs) to create composite services. However, the vast array of available CSs ...
《AANet: Adaptive Aggregation Network for Efficient Stereo Matching》CVPR2020 AANet 《AANet: Adaptive Aggregation Network for Efficient Stereo Matching》CVPR2020,针对双目匹配任务的论文。 论文:https://arxiv.org/abs/2004.09548v1 代码:https://github.com/haofeixu/aanet 一、目的和贡献: 目前最好的立体匹...
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Calcium oxalate stones mainly comprise two major constituents, calcium oxalate monohydrate and calcium oxalate dehydrate and frequently contain a mixture of the two substances. Excessive supersaturation of minerals in urine can lead to crystal formation, growth, aggregation and retention in the urinary ...