Finally, in my opinion, Axis2 tends to suffer from a disconnect between the core web services engine (the actual Axis2 code) and the security code (the Rampart and Rahas security modules).

最后，在我看来，Axis2 可能会遭遇核心 web 服务引擎（实际是 Axis2 代码）与安全性代码（Rampart 和 Rahas 安全模块）的分离。

youdao

PHP as a whole consists of 3 modules (Core PHP, Zend Engine and Extension Layer)

PHP总共有三个模块：内核、Zend引擎、以及扩展层；

youdao