在此基础上建立了基于土壤孔隙形态学特征的随机网络模型，在孔隙尺度模拟了土壤中的水分运动过程，并预测了近饱和土壤水分特征曲线。
A spatially-random network model by using measured pore morphology was then set up to simulate the pore scale flow processes, and to predict the soil water retention curve near saturation.
用湿筛倾析法从龙眼(品种：旱禾)10个不同产量的土壤样品进行分离观察孢子，采用形态学方法鉴定出10种VA菌根菌孢子。
By observed the separated spores sieved from 10 different yield of Longan (Breed: Hanhe) soils samples, 10 species of VA fungus were identified according to the morphological character.
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。
Undisturbed soils samples obtained from surface and subsurface soil layers under different forests were used to make thin sections and study micro-morphological characteristics.
按我国土壤地理地带分布，从北到南采土样32个，从中分得细菌491株，并对每一菌株进行了形态学观察与描述。
From north China to south China, 32 samples of various types of soil were collected and main ecological factors which might affect the distribution of protease-producing bacteria were studied.
按我国土壤地理地带分布，从北到南采土样32个，从中分得细菌491株，并对每一菌株进行了形态学观察与描述。
From north China to south China, 32 samples of various types of soil were collected and main ecological factors which might affect the distribution of protease-producing bacteria were studied.
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