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This is much more true if you are yourself firewalled or behind a router .

这点会更加明显当你处于路由器和防火墙之后时。

Primo says he 's just firewalled his transponder .

他也锁住无线电收发器讯号。

" They have their r & d perfectly firewalled off , so they can continue to keep those people at work even if google.cn closes down , " said duncan clark , chairman of bda , a beijing-based consultancy .

“他们的研发部门得到了完美的防火墙保护，因此即便google.cn关闭，这些员工也能继续工作，”北京咨询公司bda的董事长邓肯克拉克（duncanclark）表示。