Not what its UserAgent string is or its version number, but whether it actually supports that feature.

我们不关注浏览器的UserAgent字符串或者版本号，而是检测它能够支持什么样的特性。

youdao

The code for this module will be a simple layer on top of LWP: : UserAgent, which is included in the libwww-perl package.

这个模块的代码将是在LWP： UserAgent上的一个简单层，它包含在libwww - perl包中。

youdao

It supports both put and get, and gives your code complete access to the HTTP request header, including the UserAgent field.

它支持put和get，并且使您的代码具有对HTTP请求标头的完全访问权，包括useragent域。

youdao