...a relation between youthful unemployment and drug-related offences...

(formal)to have sexual relations (= to have sex)

发生性关系

a relation by marriage

姻亲

Greece has established full diplomatic relations with Israel...

希腊已经和以色列建立了全面的外交关系。

And the article refers also the relation of Burckhart's thinking with Schopenhauer's philosophy.

而这个部分也提及布氏此种历史思想,与叔本华意志哲学之间的关系.

diplomatic/international/foreign relations

外交 / 国际 / 对外关系

US-Chinese relations

美中关系

Its brain is small in relation to (= compared with) its body.

和它的身体相比，它的大脑很小。

...visits to friends and relations...

拜访亲友

(formal)I have some comments to make in relation to (= concerning) this matter.

关于这件事我有几点看法。

teacher-pupil relations

师生关系

The fee they are offering bears no relation to the amount of work involved.

他们支付的酬金和所需的工作量无关。

Apparently relations between husband and wife had not improved...

很明显夫妇之间的关系没有改善。

We have relations in Canada and Scotland.

我们在加拿大和苏格兰都有亲戚。

...a question which has been asked many times in relation to Irish affairs...

被问过多次的关于爱尔兰事务的问题

the relation of the farmer to the land

农民和土地的关系

Relational tacit knowledge will also always be with us.

因此相关联隐性知识也将永远伴随着我们.

Based the gray trend relational degree and systems engineering theory, the model relational system is investigated.

本文应用系统工程理论, 结合灰色趋势关联度,研究了灰色趋势关联系统及数学模型.

A data schema, especially a data subschema in a relational data system.

关系数据系统中的数据模式, 特别是子模式.

This is when the complexity of relational databases starts to rub against their potential to scale.

这时候关系数据库的复杂性就开始影响其潜在的扩展规模了.

The relational operators are presented later , in Table 4.1.

关系运算符我们后面讲到, 在表4.1.