英语词汇trophic level怎么读，是什么意思，单词翻译、读音、固定搭配用法和短语词组及例句-英汉双解词典

网络释义

短语

1
trophic level
生态营养级 ; 食性层次 ; 营养阶层
2
trophic level assimilationefficiency
营养等级同化效率
3
high trophic level
高营养层次

双语例句

1
The average trophic level of what is being caught is rising — and this in principle should indicate improving ecosystem health.
食物链等级体系中的高等级物种平均捕获率(而捕获正在并将持续进行)处于持续上升态势之中——按照所谓食物链等级理论，这应当意味着海洋生态系统的健康平衡发生了变化。
2
The next best way to quantify the amount of protoplasm in each trophic level is to weigh it.
确定每一个营养阶层原生质总量的第二个好办法是称重。
3
According to the comprehensive trophic level index (TLI), the values of Tangxi reservoir were between 30 and 50. It showed that the reservoir was mesotrophic.
结果表明，汤溪水库综合营养状态指数(TLI)在30 ~ 50之间，属中营养水平。

单词	trophic level
释义	trophic level 简明释义营养层级：食物网中的一个层级，其特点是与初级生产者相隔相同步骤的生物组成。网络释义短语 1 trophic level 生态营养级 ; 食性层次 ; 营养阶层 2 trophic level assimilationefficiency 营养等级同化效率 3 high trophic level 高营养层次双语例句 1 The average trophic level of what is being caught is rising — and this in principle should indicate improving ecosystem health. 食物链等级体系中的高等级物种平均捕获率(而捕获正在并将持续进行)处于持续上升态势之中——按照所谓食物链等级理论，这应当意味着海洋生态系统的健康平衡发生了变化。 2 The next best way to quantify the amount of protoplasm in each trophic level is to weigh it. 确定每一个营养阶层原生质总量的第二个好办法是称重。 3 According to the comprehensive trophic level index (TLI), the values of Tangxi reservoir were between 30 and 50. It showed that the reservoir was mesotrophic. 结果表明，汤溪水库综合营养状态指数(TLI)在30 ~ 50之间，属中营养水平。
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