And then, based on experiments and combined with three-dimensional full-wave electromagnetic simulation software, the frequency domain and time domain performance of the through-hole via is analyzed.

然后基于实验研究，并结合三维全波电磁仿真软件在频域和时域对通孔结构性能进行分析。

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Removed from the circuit board through-hole components via multi pin component and the large heat capacity is quite troublesome, such as transformer, connector.

从电路板上拆除多引脚的通孔元件和大热容量的通孔元件比较麻烦，比如变压器、接插件。

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Is PTH and small via hole wall quality checked by cross-section and followed by a closed loop corrective action?

是否通过切片检验pth与小导通孔孔壁状况，并有相应的改善对策跟踪？

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Hackers gained entry via a hole in the network that had been open for quite some time, even though analysts continually recommended identifying and applying security controls consistently across the entire organization.

FORBES: The Hidden IT Security Threat: Multifunction Printers

Adventurous travellers can swim under the waterfall via a natural swimming hole at the bottom of the falls.

BBC: Kauai��s hidden adventures

More definitively, the Bank of England says that the banks will not be able to fill the capital hole through retaining earnings, or via the profits they generate.

BBC: How big is the 'material' hole in banks?