In this article, the fisheries management main dimension, such as length, breadth, depth of ship, was analyzed through that have been chosen for morn than ten fisheries management ships, obtaining calculative formulas that related to main dimention.

• 摘要选择十余艘性能优良的渔政船，对其船长、船宽、型深等主尺度做以分析，得出相应的计算公式。