已经发表的自寻的非滚转导弹拦截问题的数学模型往往是平面模型或空间质点模型。
Presents a space motion model (SMM) of multiple rigid bodies with varying mass for the description of the intercept problem of homing missiles with roll stabilization.
文中分析了开挖问题采用平面模型计算时，应对开挖初应力进行修正，并给出了算法。
In the paper it points out that when the plane model is used to compute the excavation problem, the initial stress of excavation must be modified, and the algorithmic model is shown in the paper.
现有研究都是针对平面模型的无线传感器网络，但是很多应用场合具有线性模型的特征。
Present studies all aimed at wireless sensor networks of plane model. But many applications are linear model.
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