sonic reflection meaning in English

声波反射
声的反射

Shallow - depth sonic reflection profiling survey has been conducted on the offshore of the north of the shandong peninsula , and the late quaternary offset features of the penglai - weihai fault zone are documented from more than ten shallow profiles
摘要在山东半岛北部近海海域进行了多条剖面的声波探测，初步查明了蓬莱威海断裂带的基本活动特征。
In this paper , some problems existed during the developing student party members in colleagues and universities were discussed , sonic reflections were also made concerning on the strengthening the education focal points and the training methods to the students
本文分析了当前高校学生党员发展工作中存在的问题，并就如何把握教育的着力点，加大对学生的培养方面等进行了思考。