由于医学成像过程中存在着各种退化因素，当前各种分割算法仍难以很好满足高层应用的需求。
Due to a variety of degradation factors in medical imaging process, the existed segmentation algorithms are still hard to satisfyingly meet the need of higher layer applications.
其退化模型是原始图像经过算子，或系统经退化因素作用之后和噪声叠加，以形成退化后的图像，即实际得到的图像。
The degenerative model is that original image was passed by operator or was acted on degenerative factor, and noise overlap-added, then, degenerated image was formed.
由于所有这些因素，土地退化对经济增长具有不必要的拖累影响。
When these factors are taken together, land degradation places an unnecessary drag on economic growth.
准确来说超重多少会影响大脑的退化还无定论，但是Xu认为那与许多可能因素有关。
Exactly how excess weight can influence the degradation of the brain is not certain, but Xu said there could many possible mechanisms.
许多人列举死亡于心脏病或中风的亲人为导致他们深入了解这种饮食的因素，这种饮食可以作为一个预防或逆转退化性疾病带来的影响的方法。
Many cited deaths of loved ones from heart disease or stroke as factors that led them to look into the diet as a means of preventing or reversing the effects of degenerative diseases.
根据史密森国家动物园，尽管狐猴有时被捕捉并当作宠物交易，促使其数量减少的主要因素还是森林退化。
Deforestation is driving their decline, although they are also sometimes trapped and sold as pets, according to the Smithsonian's National Zoo.
由人类活动和自然因素综合作用导致的土壤退化已引起全球的日益关注。
Soil degradation induced by human activities together with natural factors has been attracting increasing attention in the world.
森林生态系统退化的要害因素是林业开发强度。
The crucial factor that silvan ecosystem degrades is forestry development intensity.
对黄河源区玛多县草地退化的自然和人为因素作了深入分析。
Natural and artificial factors of grassland degradation in Maduo County in source region of Yellow River were analyzed in this paper.
而这些东西就是导致退化的内在和外在的一些基本因素——退化即是无休止的自我中心活动和自我孤立过程。
These then are some of the basic inner and outer factors of deterioration - the perpetually self-centred activity with its isolating processes.
土壤侵蚀是造成环境退化的一个主要因素。
Soil erosion is a major factor of causing environmental degradation.
由于自然和人为因素的共同作用，黑土的质量发生了严重的退化，数量也急剧减少。
Because of complicated function of natural and artificial factors, the quality and quantity of black soil decreased and degenerated heavily.
富营养化是导致湖泊生态系统退化的主要因素。
Eutrophication is the main factor for the degradation of lake ecosystem.
详述了近几十年来黑土资源质量的变化特征，分析了黑土质量退化的各种自然与人为因素。
This paper details the change characters of black soil quality, and analyses the natural and artificial factors of black soil degradation.
草地退化的SRYYR所造成的综合影响，人为和自然因素的影响。
Grassland degradation in the SRYYR is caused by the integrated effect of anthropogenic and natural factors.
在航天领域，热控涂层材料性能退化是影响航天器寿命的关键因素之一，因而研究其性能退化规律，对于航天器寿命预测具有非常重要的意义。
In the spaceflight domain, performance decline of the thermal control coat is key factor which affects the space equipments 'life, so research its 'performance decline rules is very significance.
结论：综上所述，人工神经网模型比起逻辑退化有较高的可预测性，可能由于它们不受因素间的交互影响。
Overall, ANNs have higher predictive ability than logistic regression, perhaps because they are not affected by interactions between factors.
通过对这些失效因素的研究并通过一定的再设计手段，可以减少热载流子效应导致的器件退化。
The device degradation induced by HCE can be reduced by studying these failure factors to resign the circuits.
智力是全世界人类退化的首要因素，因为智力只是人类条件和能力的一部分。
The intellect is the central factor of the degeneration of man throughout the world, for the intellect is only a part of the human condition and capacity.
通过对西南喀斯特地区典型土壤的饱和导水率的分析，研究了喀斯特地区不同植被退化类型下土壤的饱和导水率及其影响因素。
The soil saturated hydraulic conductivity in different vegetation degeneration type and its influential factors in southwest karst region of China were studied.
在粒子滤波中，防止粒子退化的两个关键因素是选择适当的采样建议分布和重采样算法。
In particle filtering, the two key issues for avoiding particles degradation are the choosing of proper proposal distribution and resampling algorithm.
我国的草地资源主要分布在西北地区，近年来，在自然和人为因素的双重作用下，草地退化十分严重。
The rangeland resources distribute on the northwest of China, however the rangeland degradation is very serious under the effects of the nature and human recently.
土壤侵蚀是造成环境退化的一个主要因素，长期以来，由于人类不合理的利用自然资源，导致植被生存的环境受到极大的破坏，引发了严重的土壤侵蚀。
Soil erosion is a major factor of causing environmental degradation. For a long time, human irrational utilization of natural resources is destroying the vegetation and thus leads to serious erosion.
引起图像退化的因素众多，因而难以用一个统一的方法来进行恢复处理。
Due to a variety factors causing image degradation, a unified method to restore image does not exist.
但由于人为因素的影响和破坏，草地生态环境发生严重退化。
Eco - environment of grassland degraded seriously because of human influence and destruction.
产生土地退化的原因，不仅仅是土地资源特点与自然环境这样一些自然因素，还包括一些社会与经济因素。
The causes of land degradation not only include the natural factors, such as the characteristics of land resources and the natural environment, but also the social and economic factors.
对地理位置、气象情况和退化现象等因素也进行了讨论。
The other active factors-geography, climate and degenerate phenomenon were discussed.
不合理人类活动是草地退化的主要驱动因素，决定了自然条件基本相同地区的草地退化强度的空间分异。
Irrational human activities, which decide the spatial distribution of grassland degradation intensity under the similar natural conditions, are the main driving factors of grassland degradation.
由于自然因素及人为因素的共同作用，使得我国植被退化日趋严重。综合前人不同的研究成果，探讨了不同改良措施对退化植被的影响。
Because of natural factors and human factors, vegetation in China was degraded seriously. The advances in research of different restorative measures for degraded vegetation were reviewed.
由于自然因素及人为因素的共同作用，使得我国植被退化日趋严重。综合前人不同的研究成果，探讨了不同改良措施对退化植被的影响。
Because of natural factors and human factors, vegetation in China was degraded seriously. The advances in research of different restorative measures for degraded vegetation were reviewed.
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