PWB samples were subjected to the solder float test per MIL-P-55110 and then the PTHs were cross-sectioned.

印制板试样必须经过MIL—P—55110标准浮焊试验，然后对金属化孔进行剖视。

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Nodular defects, which are in critical state of damage, are cross-sectioned by focusing on the ion beam and by imaging using a field emission scanning electron microscope.

采用聚焦离子束和场发射扫描电镜对处于临界破坏状态的节瘤缺陷做剖面分析和观察。

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This will simplify the designing of trapezoidal-cross-sectioned rib waveguides and increase the precision of practical device.

这一结论有利于简化梯形截面脊波导的设计，提高实际器件的精度。

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They can be held, cross-sectioned, even dissected for use as "hands-on" teaching tools.

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So when the iPad went on sale Saturday, Kyle Wiens and his team at iFixit snapped one up, tore out its silicon heart, and brought it to the semiconductor reverse-engineering specialists at Chipworks to have it x-rayed, cross-sectioned, ground through, photographed, and violated in every possible fashion.

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