He denied that armed guards would be needed for the shipment of such "lightly irradiated" material.
他否认了这些“轻微辐射的”原料的运输需要武装护卫的说法。
The mathematical modelling of laser material processes is important to understand the phenomena occurring in the region irradiated by the laser which is used as the heat source.
在激光材料过程中，激光辐照工件时，相当于一个热源，辐照区会发生很多现象，数值模拟对理解这些现象非常重要。
The record material is insulator material with smooth surface, which can produce etched latent trace when irradiated by incident ions.
记录材料为入射离子在其中能产生可蚀刻潜径迹的表面平整光洁的绝缘材料。
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