For the left ventricular volume 3d modeling and volume estimation, this paper proposes a new method of left ventricular volumemodeling based on the particle system of spherical growth.
针对左心室三维容积建模与估算问题，本文提出了一种基于球面增长的粒子系统左心室容积建模方法。
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Scalability: the modeling system may need to scale in a number of different ways, such as the volume of terms, the number of users, and geographical distribution of servers.