Instead, I will focus on the purpose of each association type and show how the association is drawn on a class diagram.

相反的，我将会把重点集中在每种关联的用途，并说明如何在类图上画出关联。

youdao

First, the purpose of an associative table is to implement an association, whereas the purpose of an associative class is to describe an association.

首先，关联表的目的是实现关联，而关联类的目的是描述关联。

youdao

Context Emerging data suggest that psychological and experiential factors are associated with risk of Alzheimer disease (AD), but the association of purpose in life with incident AD is unknown.

研究数据表明心理学和经验方面的因素都与AD(阿尔茨海默病)的发生风险相关，但人生目标与AD发病率的关联却不清楚。

youdao

The Welfare Association was established in 1983 for the purpose of building a sustainable Palestinian society.

CENTERFORSECURITYPOLICY: Exposing the puppet masters

In this framework the purpose of the Amigos de la Patagonia Association is to promote water protection and awareness through formal and non-formal education programmes in Argentina.

UNESCO: Activities 2009

Special Abilities Development Association (SADA) organized a one-day multi purpose activity on 3rd December 2012 on the occasion of International Day of Person with Disabilities (PWDs) in collaboration with UNESCO Islamabad at Rest House Timergara Dir Lower.

UNESCO: EDUCATION