The results show that the leaf epidermis micro-morphological characteristics have taxonomic significance at species level.
结果表明:该亚属植物叶表皮微形态特征在种的水平上具有一定的分类学意义。
It is important for understanding soil evolvement and its influence on eco-environment to research on soil micro-morphological features.
研究土壤的微形态特征,对了解该区土壤演化及其对生态环境的影响都有重要意义。
Undisturbed soils samples obtained from surface and subsurface soil layers under different forests were used to make thin sections and study micro-morphological characteristics.
分别采制上述不同土壤类型或林型下的土壤表层和表下层的原状土祥,制取土壤薄片,进行土壤微形态学比较研究。
The results show that the seeds micro-morphological characteristics have taxonomic and significance at species level and there is little variation existing in different populations.
结果表明:该属植物种子微形态特征在种的水平上具有分类学意义;同种的不同地方居群间基本类型一致,但也存在一定程度的变异。
The responses of plant to soil water condition are showed both by physiological and bio chemical reactions in micro level and morphological acclimation in one organ and whole plant.
植物对土壤水分条件的适应性反应既有微观层次上的生理和生化反应,也有器官、单株水平上的形态响应。
Feeding morphological characters of several species of typical freshwater predatory fishes were studied by means of general dissection, micro dissection and tissue sections.
运用大体解剖法、显微解剖法、组织切片法等方法研究了几种典型淡水肉食性鱼类的摄食形态学特征。
The degradation of purple soils is able to classified into physical, constitutional and ndtriental degradation according to some micro- morphological features.
根据土壤退化的某些微形态诊断特征,将紫色土退化问题归纳为土壤物理性退化、土壤构造性退化和土壤营养性退化等类;
The morphological design, micro-structure of the materials, its topology and contact mechanics of grass horse, gecko and beetle were studied.
研究了蝗虫、壁虎等具有全空间运动能力的动物脚掌的形态、材料微结构及其拓扑关系和接触力学规律。
The morphological design, micro-structure of the materials, its topology and contact mechanics of grass horse, gecko and beetle were studied.
研究了蝗虫、壁虎等具有全空间运动能力的动物脚掌的形态、材料微结构及其拓扑关系和接触力学规律。
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