| 释义 |
trophic level ˌtrəʊfɪkˈlevl 短语¹⁴⁴⁹⁷²⁺²
基本例句
营养水平,营养层次
The algae in Taipinghu Reservoir and its trophic level were investigated during 1985—1986.175 species of algae are observed.
研究了太平湖水库的浮游藻类与营养类型。共发现藻类175种。 cnki
The main characteristic of trophic level of each watershed is: The degree of eutrophication is more serious in flood season than in dry reason, in upstream than in downstream along the watershed.
各流域富营养化主要特征是：丰水期比枯水期严重，从上游到下游逐渐加重。 cnki
In chapter 3, In this paper, we investigated a three trophic level food chain system with periodic constant impulsive perturbations for top predator.
第三章将在对顶级捕食者进行脉冲干扰，即周期性的向食物链中投放定量的顶级捕食者的前提下，研究三种群食物链系统的稳定性。 fabiao |