On the basis of reviewing his music works, the author analyzes his music style, generalizes about his music features and makes a preliminary evaluation of the value of his creations.
在总揽程午加琵琶音乐作品基础上，对其作品的具体音乐形态进行相关分析，总结程氏琵琶作品的音乐特色，并对其创作价值进行初步评估。
Firstly, based on the preliminary evaluation for environment of dangerous source at the prospecting stage, the risk factors effect and construction of risk reduction can be determinated.
首先，据勘察资料对隧道突涌水的孕险环境进行初步评价，以确定隧道不同区段降低致险因子影响度的施工对策；
On the basis of preliminary evaluation with Fuzzy Mathematics method, we achieve the comprehensive evaluation of soil quality of Taiyuan Basin and classify the contaminative grades finally.
在利用模糊数学评价法分别进行初步评价的基础上，最后进行太原盆地土壤质量综合评价和污染等级分类。
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