1·The paper researches on the technique and methods of the columned sample processing of the seabed sediment in hydrographic survey.
研究海道测量海洋底质沉积物柱状样品处理技术与方法。
2·Recently, the Yellow River Hydrographic Survey Mapping Agency to convene in 2009 the Yellow River section of the unity of tests Xunhou mobilization meeting.
近日，黄河水文勘察测绘局召开2009年汛后黄河河道断面统一性测验动员大会。