It provides an overview of features and techniques available to service providers to help improve security by "hardening" the core network.

它概述了服务提供商可以用来“加强”核心网络，以帮助提高安全的现有功能和技术。

youdao

Morrell says Gates gave his condolences on the bombings, and offered any needed U.S.help to investigate them and to improve security.

VOA: standard.2009.12.11

The U.S.Congress earlier this month unanimously approved the $7.5 billion aid package to help Pakistan improve health, education and security in the wake of rising militancy in the country.

VOA: standard.2009.10.16

Mr Simitis has also resisted American pressure to make it easier to prosecute suspected terrorists by enacting laws to help protect witnesses, to improve security for judges and to allow hearings in secret.

ECONOMIST: Greece

Some countries have indicated that they may be able to offer more help over the spring and summer to improve security ahead of the poll.

BBC: US faces fresh Afghan obstacles

The UK, he added, would assist Libya to take the necessary steps to improve its security, such as help with disbanding militia, training the army and supporting a singe police force.

BBC: We want to stand with you, David Cameron tells Libya