其次指出了基本对象适配器所存在的不可移植性的缺点。

Secondly, it specifies the defect of non-portability inbasic object adapter.

youdao

本来，CORBA服务器使用基本对象适配器(BOA)，但是每个供应商的BOA都不一样，在最新版本的CORBA规范中，POA已完全取代了BOA。

Originally, CORBA servers worked with Basic Object Adapters (BOA), but every vendor's BOA was different. With the latest version of the CORBA specification, the BOA is completely replaced by the POA.

youdao

它能够在对象匹配上做一些基本的猜测，适配器的开发者可以很自由地全部或者部分实现和存储引擎的交互。

It provides some basic predicates for matching objects, but adapter authors are free to implement all or some of those that make sense to the storage engine.

youdao