The mathematical model with finite solution for bedding plane air-leakage is established, in which the air leakage intensity is regarded as attenuating follows proximately negative exponential law.
建立了层面漏风的定解数学模型，将地表漏风强度近似看作按负指数规律衰减。
It's defined that the particle size distribution function is of the negative exponential function model.
确定了其粒度分布函数为负指数模型。
It's defined that the particle size distribution function is of the negative exponential function model.
确定了其粒度分布函数为负指数模型。
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