Staff in one hospital reported many inadvertent disconnections with a new reusable extension cable that was supposed to connect the lead to the pacemaker.

某医院职工报道了很多应该连接导联和起搏器新的可重复使用的延长导线的意外断开。

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In this case, which seems to violate the "no shield current" rule for receiver circuits, the concentric cable is not used to shield the center lead; instead, the geometrv produces cancellation.

这个例子看起来违背了上文“屏蔽体一定不能有电流”的准则，但是这里屏蔽电缆并非用来屏蔽芯线，而是通过这种特殊接法抵消干扰。

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But in the high frequency measurements, the effect of cable will lead to serious errors.

这在测量频率较高时将会产生较大的系统误差。

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And cable is in the lead.

ECONOMIST: Communications in Britain

Through their strategic partnerships, Comcast Cable and NBCUniversal are taking the lead in the TV viewing companion app market by bringing their customers and tens of millions of viewers across hundreds of channels.

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On the home front, the device could lead to rapid improvements in cable television and satellite communications.

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