因为每个服务实用程序类所需调用的UR n名和方法名都将是唯一的，所以它们都有其自己的实现。

Each service utility class has it own implementation, since the URN name and method name each needs to invoke will be unique.

youdao

您是一名“系统程序员”—您编写代码以保持服务器正常运转，并且为您的应用程序开发人员同事提供所需的底层功能。

You're a "systems programmer" — you write code to keep servers healthy and to supply your application developer colleagues with the low-level functionality they need.

youdao

正如一名博客程序员在其时所作的解释，花费在FTP服务支持上的工程资源所占的比例大大超出了仍在通过FTP发布的博客比例，该比例仅占全体的0.5%。

As one Blogger programmer explained at the time, the proportion of engineering resources devoted to supporting FTP vastly exceeded the 0.5% of blogs that were still published via FTP.

youdao