1957年12月31日到1958年2月17日,苏联和中国联合在中国东部海区进行了渔业调查。在调查中利用“大洋-50”型采泥器所采集的现代沉积物标本转托中国科学院海洋研究所物理海洋学组处理。由于时间的限制,同时考虑到这些标本分析的结果只是用作阐明与渔业有关的问题,故从1958年4月1日到14日采用了以斯笃克公式为基础 From December 31, 1957 to February 17, 1958, the Soviet Union and China jointly carried out a fishery investigation in the eastern sea area of ​​China. In the survey, modern sediment samples collected by the “Ocean-50” type of dredger were transferred to the Institute of Oceanography, Chinese Academy of Sciences for processing by physical oceanography. Due to time constraints, taking into account that the results of these specimen analyzes were used only to clarify fisheries-related issues, the Sturuk formula was used from April 1 to April 14, 1958 as a basis