然而，基于GAC模型的图像分割有演化时间长和边界泄漏两个缺点。
However, GAC-based segmentations have the drawbacks of long evolving time and boundary leaking.
鄂尔多斯盆地是一个多旋回叠合型盆地，其形成历史早、演化时间长。
Ordos basin is a polycyclic superposition basin that is formed in an earlier geological history and has experienced a longer evolution.
本文试图从两种方法自身的特点来探讨这种分支演化时间的重大差别。
In the paper an attempt is made to interpret these major discrepancies by analysing the characteristics of the two methods.
海森博士认为，考虑矿物的进化特性是确定行星的地质演化时间的有效手段。
Dr Hazen argues that considering minerals in evolutionary terms is a powerful way to help identify how far a planet has developed geologically.
从符号动力学角度观察，我们可以看到命名博弈与系统大小，演化时间有着十分密切的关系。
From Semiotic dynamics, we find naming game model is related with the size of network and the time of evolution.
山门银矿区出露的中生代侵入岩是一套由基性岩、中性岩、酸性岩组成的复式侵入体。具有规模大、侵入期次多、演化时间长的特点。
The outcropped Mesozoic intrusive rock is a composite intrusion which consists of basic, intermediate and acid rocks, characterized by the large scale, multiphase intrusion, and with long evolution.
为了提高演化算法的效率，减少优化时间，提出一种多目标模型管理框架。
In order to improve the efficiency of evolutionary algorithm and reduce the optimization time, a multi-objective model management framework was proposed.
为了提高演化算法的效率，减少优化时间，提出一种多目标模型管理框架。
In order to improve the efficiency of evolutionary algorithm and reduce the optimization time, a multi-objective model management framework was proposed.
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