观察组与对照组大鱼际掌纹形态分级之间有极为显著性差异（P<0.01）。
There is significant difference between the observation group and control group (P< 0.01).
本试验通过盆栽试验和室内分析，研究了石灰性土壤中钴的形态分级状况和钴对番茄发芽、生长发育及产量的影响，为番茄高产高效提供理论依据。
Pot and germination experiments were conducted to study the fractionation of cobalt element in calcareous soils and the effect of cobalt fertilizer on the growth and yield of tomato.
涂料的急性吸入毒性强度分级和它们引起的病理形态学改变能有效地判断不同种类涂料的毒性大小。
The toxicity of different kinds of coating can be efficiently identified by the acute inhalation toxicity classification and pathological findings described in this paper.
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