The model could approximate to the trace surface by given accuracy.
该模型可以按给定精度要求逼近测头中心轨迹曲面。
A simple (though approximate) model of population growth is the Malthusian growth model.
一个简单的(虽然近似)模型的人口增长率是马尔萨斯的增长模式。
An uncertain system model can approximate a physical engineering system very well.
对实际工程进行数学建模的时候，不确定系统往往更能反映其物理本质；
An uncertain system model can approximate a physical engineering system very well.
对实际工程进行数学建模的时候，不确定系统往往更能反映其物理本质；
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