Police have been hampered by Mr Urquhart's use of bogus names. 厄克特先生使用了假名,警方的调查因此受阻。
In contrast, James Urquhart, a blogger who works for Cisco, argues that there are barriers that could prevent computing from becoming freely tradable. 相比之下,受雇于Cisco的博客写手詹姆斯•厄克特则表示,计算能力要自由买卖,还有一些阻障。
Urquhart Theorem under a Multiple Angle of View 多元视角下的Urquhart定理