The traditional and experimental fishing gears were used in the survey.
调查中使用传统钓具和试验钓具。
The total catch and total value of the experimental fishing vessel increased by 18.13% and 17.4%, respectively, under the sa…
试验船总产量和总产值分别比对比船提高18.13%和17.4%，试验船每消耗1 t柴油所获得的产量、产值与利润均可高于对比船。
The second part is about basic researches including the similarity criterion of fishing net models and experimental technologies.
第二部分为基础性研究工作，包括网衣的模型相似准则以及试验技术等研究内容。
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