传统的FCM算法对原始图像进行分割，既没有考虑像素间相关性，又没有考虑像素的空间信息，因而对噪声十分敏感而且速度慢。
The conventional FCM algorithm is noise sensitive because of not taking into account the spatial information and the relevant of pixel.
邮箱太大，处理速度慢而且还不可靠。
Our mailboxes were too big for them to handle speedily and reliably.
该过程不仅速度慢，而且代码也难于理解和维护。
Not only is that process slow, but the code is also difficult to understand and maintain.
这种方式速度慢但是很便宜，而且步行状态也是除了游泳状态以外的唯一能进行战斗的。
It is slow but it's also inexpensive, and the only method of transportation in which you can fight, with the exception of swimming.
基于局部归一化的局部方差去噪模型在平坦区域去噪明显，但去噪速度慢，而且纹理细节保护欠佳。
Removal model based on local variance normalized can remove noise significantly in flat area but slowly and maintains the texture details poorly.
基于局部归一化的局部方差去噪模型在平坦区域去噪明显，但去噪速度慢，而且纹理细节保护欠佳。
Removal model based on local variance normalized can remove noise significantly in flat area but slowly and maintains the texture details poorly.
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