To make the over voltage Vs time function of line trap at short time current test by complex frequency field analysis is introduced in this paper.

用复频域分析法求出试验电流作用以后的阻波器上的过电压的函数。

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Discusses the work principle and testing methods of line trap and combined filter, points out the important meaning of developing field test of line trap and combined filter.

讨论阻波器、结合滤波器的工作原理及测试方法，指出开展阻波器及结合滤波器现场测试的重要意义。

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Don't fall into the trap of believing that because you can't test every line of code, you must test nothing.

不要掉入相信因为不能够测试每行代码所以就不能够测试任何东西的陷阱。

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It was Paul Collingwood who made the breakthrough, ironically with an off-cutter, to trap Kamran marginally on the line of off-stump when sweeping, while Hafeez was bowled via the inside edge and pad off Graeme Swann, who found some spin and was relatively economical.

BBC: Century for Andrew Strauss in England win over Pakistan

Meanwhile, the elegantly restrained, two-story Chinese restaurant Lu Yu, courtesy of LTW, avoids the trap of obvious chinoiserie: Stacked abacuses line a wall near the entrance, while pale celadon porcelain bricks adorn the upstairs entryway.

WSJ: Stays: Conrad Beijing

With the game won Vicente del Bosque made changes and the introduction of Cesc Fabregas almost lifted the roof off Ellis Park when, 16 seconds after being introduced, he beat the offside trap and rounded the keeper only to see his shot hacked off the line by Chavez.

BBC: Spain 2-0 Honduras