1) surface fish
上层鱼(渔)
4) surface floating trawl
上层浮拖网(渔)
5) supranekton
['sju:prə'nektən]
上层自游生物(渔)
6) Pelagic fish
中上层鱼类
1.
Based on the primary productivity and Steele(1974) model, the biomass of the pelagic fish resources are estimated to be 169.
:以初级生产力为基础 ,应用Steele模式估算台湾海峡及其邻近海域中上层鱼类资源年生产量为16 9。
2.
Based on the operating statistics by months, the composition of catch, the structure of spawning population and the occurrence of young fish in the purse seine fisheries with light attraction on the Minnan - Taiwan Bank Fishing Ground from 1987 through 1995, the pelagic fish resources were monitored and studied.
本文根据闽南、台浅渔场1987～1995年间灯围渔业逐年各月生产统计资料,以及渔获物组成、生殖群体结构和幼鱼发生量对中上层鱼类进行监测和研究。
补充资料：上层建筑(见经济基础与上层建筑)
上层建筑(见经济基础与上层建筑)
superstructure
shongeeng)lonzbu上层建筑(superstrueture)层建筑。见经济基拙与上
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条