负责软件的免费升级服务。

Responsible for software free upgrade service.

youdao

免费提供软件的升级服务。

We will offer software upgrades for free.

youdao

订购包含免费产品升级和一年的无限制客户服务。

Subscriptions include free product upgrades and unlimited customer support for 1 year.

youdao

这是一个免费版本，完整支持无限制的代码特征库升级服务。

This is a free version, full support of unlimited signature updates code.

youdao

这是一个免费版本，完整支持无限制的代码特征库升级服务。

This is a free version, full support of unlimited signature updates code.

youdao