According to the experiment data of RHIC, it analyses the relationship between the impacting times, the value of settlement and the degree of compaction.
对高速液压夯实机（RHIC）的夯实效果进行试验研究，得到夯击次数与每层沉降量及压实度的关系曲线。
And the coding arithmetic of three kinds of data compaction modes of PDF417 is expounded.
文中对PDF417的三种数据压缩模式的编码算法有较详细的阐述。
Based on the monitoring data, the influence of the vibration on environment is analyzed and measures for preventing dynamic compaction vibration are put forward.
根据实测结果，分析了强夯振动对周围环境的影响，并建议了振动的防治措施。
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