direct lightning flash

基本解釋

The impact of direct lightning flash and lightning electromagnetic impulse to DCS are introduced.
回顧防雷概念的轉(zhuǎn)變，介紹直擊雷、雷電電磁脈沖對DCS的危害，闡述了具體的防雷措施。
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It is pointed out that on the premise of meeting the codes, the stadium construction should use its metal roof and steel structure as direct lightning flash air-termination system.
指出體育場館建筑在滿足規(guī)范的前提下，應利用其金屬屋面和鋼結(jié)構作為直擊雷接閃器。