这版也包括教珍珠关于什么时候测试和什么预订和算法解释考试适合。
This edition also includes teaching pearls on when to test and what to order and an algorithm for interpreting tests.
本研究从膨胀珍珠岩微细孔的微观结构上，解释和说明了其具有良好敏化作用的根本原因在于其特定的多微孔表面结构，符合热点起爆的有关机理。
It is concluded from measurement that the reasons of expanded perlite possesses excellent sensitization lies in its porous structure and accord with hotspot initiation theory.
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