stocking size的例句大全

Effects of Accumulated Temperature and Stocking Size on Tilapia nilotica Culture in Net Cages

积温和放养规格对网箱养殖罗非鱼的影响

Thus the authors established the relative rearing technical methods, i. e. fingerling stocking size, larger than 30 g/ indi.; suitable stocking density, 10500~ 14055 fish per ha.

据此，作者确定了相关的饲养技术措施：鱼种放养规格不小于30克／尾，放养量以10500～14055尾／公顷为适度，饲养周期以2～3年最经济；

Fisheries ecology focuses on biology of fishery species, potential production, optimal stocking density and size, rational input of subsidy energy, and rational catch strategy, and so on.

前者是一门较为成熟的学科研究渔业对象的种群生态学渔产潜力最佳放流密度和规格以及科学的捕捞策略等。