derive objects from

基本解释

Most objects that are *defined* in Ruby have CLR types that derive from Ruby.Object.
大多数在Ruby中定义的对象都是源自Ruby.Object的CLR类型。
“This will be a new, low-cost tool allowing archaeologists to derive dates from objects made over 10, 000 years of human history, ” said Scarlett.
“这会是一个新的低成本的方法，能帮考古学家测出超过10000年人类历史的物体产生的具体年代。” Scarlett说。
The classes generated for a particular conceptual model derive from base classes that provide Object Services for materializing entities as objects and for tracking and saving changes.
这些类按照特定的概念模型派生自可以将实体物化成对象的支持对象服务的基类从而可以实现跟踪和保存变更。