... geodesic 短程线，短程的 parabolic model 抛物线模型 plannar perspective model 平面透视模型 ...
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完全抛物线模型 complete parabolic model
放电抛物线模型的建立 Establishment of Parabole Discharge Model
完全抛物线剪滞模型 parabolic shear-lag model
完全抛物线分析模型 Complete parabolic analysis model
二次抛物线模型曾广泛应用于养分效应的研究，然而这种对称模型与多数情况不符。
The quadratic parabola model was once widely used to study the effects of nutrients. Such a symmetric model, however, does not accord with the practical situation in most cases.
研究发现，当蚌密度在每立方米6.25个到每立方米31.25个的区间内，时效模型呈具有极大值的抛物线函数。
Statistics showed that the time-effect models are parabola functions with maximum values when the mussel population density ranges from 6.25 to 31.25 per cubic meter.
本文利用抛物线与成长曲线两种模型对今明两年我国小型拖拉机销售市场进行预测。
In this paper, using the parabola model aod the growing curve model, I will analyze the sale market of small model tractors over the country in this year and the next year.
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