... no-observed-effect level(NOEL) 无明显作用水平 nutrient level 营养水平 quality leval 品质标准；品质水平 ...
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diet nutrient level 饲粮营养水平
dietary nutrient level 饲粮营养水平
different nutrient level 不同营养水平
nutrient level and sex 营养与性别
feeding habit and nutrient level 食性与营养级
reference nutrient intake level 参考营养摄入量
Soil nutrient level has stronger effects on plant tolerance expression than temperature. High concentration of phosphorus and potassium increases tolerance level.
土壤营养水平对植物耐虫性表达的影响大于温度，增施磷、钾肥可增加植物的耐虫性。
There is a low nutrient level in the Aoshan Bay.
鳌山湾属营养水平较低的海域。
Soil nutrient index of 6 different utilization patterns in research area was measured. Significance of difference and soil nutrient level in different utilization patterns were comparatively analyzed.
通过对研究区6种不同利用模式下土壤养分指标的测定，对比分析出各利用模式间土壤养分含量水平和差异显著性。
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