提高水平

• The ibm software includes the apache derby code without any modification whatsoever and adds a few features you won t find in the apache derby software , such as user - friendly installers that include the java runtime environment , which are helpful for jumpstarting new java developers , and translated manuals
  该ibm软件包括未作任何修改的apache derby代码，另外还添加了apache derby软件中所没有的一些特性，例如用户友好的安装程序，包括有助于刚入门的java开发人员提高水平的java runtime environment ( jre )和一些翻译好的手册。