In the third part analyse the macro and micro environment, the variable of social system and advertising media market.
第三部分分析广告舆论发生的宏观环境和微观环境，即社会系统变量和广告舆论场。
2
The model about the relationship among AE parameters, damage variable and strain is derived by applying the damage theory and micro-element statistical strength theory.
本文运用损伤理论和微元强度统计理论导出了声发射参数与损伤参量及应变的关系模型。
3
From the beginning of the definition of the damage variable, the definition methods of damage variable and their according damage models based on micro - and macro-theory.