但从评估过程来看，还存在着评估指标过于单一、人为因素太多等问题。
But according to the process of assessment, the norms of assessment are too simplistic and artificial.
目前，我国许多城市土地使用过于单一，损害居民利益，严重妨碍城市宜居。
At present, the land utilization in many cities of China is too single, which does harm to interests of resident and hinder the building of inhabitable city seriously.
这与粒子群采用单一的进化策略有关，因为过于单一的进化策略使粒子群整体上有一种趋同性。
This has something to do with its single evolution strategy because too single evolution strategy makes the swarm homoplasy.
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