Both JRuby and MacRuby support the Ruby 1.9.x language and libraries.
JRuby和MacRuby都支持Ruby 1.9 . x语言和库。
The UML 1.x language is powerful for modeling how classes relate in terms of object-oriented relations such as associations, dependencies, compositions, aggregations and generalizations.
UML 1. x语言对于为类建模功能强大，这些关系包括面向对象的关系，例如联系、附属、组合、聚合与泛化。
The UML 1.x language is powerful for modeling how classes relate in terms of object-oriented relations such as associations, dependencies, compositions, aggregations and generalizations.
UML 1. x语言对于为类建模功能强大，这些关系包括面向对象的关系，例如联系、附属、组合、聚合与泛化。
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