Your surname may be derived from a place, such as Lancaster, for example, or an occupation, such as weaver.

或许，你的姓氏来源于一个地方名，例如兰卡斯特，或者来源于职业，例如编织工。

Childish pleasure can be derived from murmuring "qiezi" when walking past a delegation busy taking pictures.

走过忙着拍照的代表团时，听着他们喊“茄子”就能感受到孩子般的快乐。

WSDL documents can be derived from existing code.

WSDL文档可以从现有代码中派生出来。

The following could be derived from those IT principles.

以下各项可能来自IT原则。

The values can be derived from any expression in the SQL language.

在SQL语言中可以从任何的表达式派生这些值。