And the keyhole is characteristics of deep penetration laser welding.

小孔效应是深熔焊接中的特征现象。

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Stable arc, less spatter and deep penetration can ensure welding quality well.

电弧稳定，飞溅较少和熔透深，可确保焊接质量良好。

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FIR has three properties: radiation, deep penetration, and resonance absorption.

区有三个属性：辐射，深渗透，共振吸收。

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While the developed world has deep penetration of smartphone use, that isn't yet true in emerging markets and having an accessible price point will be important.

WSJ: The Quest for a Third Mobile Platform

Atlassian, with its Confluence offering, has deep market penetration among IT organizations and is now breaking out to the broader organization.

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