全部

1·When fitted with an otter trawl, invented in 1892, it enabled fishermen to haul in six times the catch of a sailing ship.

当1892年发明的网板拖网被安装上时，它使捕鱼者能够拖动六倍于被帆船捕捉的捕获物。

2·In order to understand the effect degrees produced by different factors on the fishing capacity of otter trawl, we employed 12 factors in factor analysis.

为了了解各因子对单拖作业捕捞能力发挥的影响程度，本文选择影响单拖捕捞能力发挥的12个因子指标，采用因子分析法对其进行分析。