investigation boat meaning in Chinese

调查船

Based on the analysis of the fishing capture monitoring data , which obtained from 5 deep water drift net fishery resources investigation boats from april 1998 to march 2001 , the results indicated that the psenopsis anomala which took accounted for 8 . 68 % ~ 27 . 16 % of the total catch , was one of the three preponderant species in the northern part of the east china sea and southern part of the yellow sea . ( branchiostegidac ranked first , followed by the psenopsis anomala or argyrosonus altetnate ) . the yearly quantity distribution concentrated in summer and autumn , and reached the peak in latter summer to early autumn
摘要根据对5艘深水流网资源信息船1998年8月~ 2001年3月连续渔捞调查资料进行分析研究，结果表明：刺鲳是本海域深水流网渔业的三大优势种之一（方头鱼占首位，刺鲳和白姑鱼年间变动量相互交替），占年总渔获量的8 . 68 % ~ 27 . 16 % ；周年数量分布集中在夏、秋季，全年数量最高值出现在夏末初秋。