形容词无变化的，不变的
名词不变式，不变量
1. 不可变的：而泛型是不可变的(invariant),List
2. 不变性：Evans DDD在领域对象的生命周期中对不变性(invariant)进行了定义,指无论何时数据发生变化,都必须满足所有对象一致变化的规则.
1. Deng talks about his keen interest in trying different roles and his resistance to being stereotyped as an invariant actor.
invariant的翻译
noun
1. a feature (quantity or property or function) that remains unchanged when a particular transformation is applied to it
adj
1. unvarying in nature
e.g. maintained a constant temperature
principles of unvarying validity
Synonym: changeless constant unvarying
2. unaffected by a designated operation or transformation