睡眠是一个生物必要性退化充电后身体一整天的活动。
Sleep is a biological necessity that rejuvenates and recharges the body after a day long of activities.
盐雾环境下，氯离子侵蚀是混凝土结构耐久性退化的主要原因。
Chloride ingress is the main reason for durability deterioration of reinforced concrete structures in salt-fog environment.
该病是一种遗传性的视网膜退化疾病，由于一个称为RPE65的基因异常，导致视觉进行性退化。
This disease causes progressive deterioration in vision, due to an abnormality in a particular gene called RPE65.
血糖水平变化过快会产生食欲，从而导致体重增长增加系统性炎症的可能性，造成慢性退化性疾病。
Rapid changes in blood sugar levels stimulate cravings, which leads to weight gain, and increase the likelihood of systemic inflammation, which leads to chronic degenerative diseases.
根据土壤退化的某些微形态诊断特征，将紫色土退化问题归纳为土壤物理性退化、土壤构造性退化和土壤营养性退化等类；
The degradation of purple soils is able to classified into physical, constitutional and ndtriental degradation according to some micro- morphological features.
目前，由于腐蚀造成钢筋混凝土结构耐久性退化已成为当今土木工程界面临的一大灾害，引起人们的普遍关注，成为研究的一大热点。
Presently, durability degeneration of reinforced concrete structure has become a disaster to our civil engineering because of corrosion. It arouses attentions and becomes a hotspot.
先锋植物种子的增加和被猎杀动物的系统性变化是环境退化的证据。
Increases in seeds from pioneer plants and systematic changes in the animals hunted are evidence of environmental degradation.
数值效应是明显的：退化地区的鲑鱼数量比原始地区少；然而，栖息地的丧失也有可能减少遗传多样性。
The numerical effect is obvious: there are fewer salmon in degraded regions than in pristine ones; however, habitat loss also has the potential to reduce genetic diversity.
鸟类和珊瑚鱼很好地证明了东部物种多样性的退化。
This easterly decline in species diversity is well demonstrated by birds and coral fish.
在底层系统技术以快速的步伐发生变化时，需求变动性就会大量地滋生；这会导致设计和组件的提早退化，否则它们是可重用的。
Requirements volatility stems largely from the rapid pace at which underlying system technologies change; this leads to early obsolescence of designs and components that might otherwise be reusable.
但是，广播的规模和复杂性在进步的同时也在退化。
But the scale and sophistication of broadcasting has mutated downwards as well as upwards.
土壤风蚀是目前全球性土地退化的主要过程之一，土壤风蚀预报可以指导与检验各种土壤风蚀防治措施。
Wind erosion is one of the primary processes leading to land degradation and wind erosion prediction can be appllied to guiding and testing various wind erosion control practices.
土壤侵蚀及其导致的土壤质量退化是世界性的重大环境问题之一。
Soil erosion and soil degenerated by erosion is a main environmental problem in the world.
不同退化程度对脲酶和过氧化物酶活性的影响没有明显的规律性。
The impact of different degrees of degradation on activities of urease and peroxidase varied.
退行性椎间盘疾病是由于椎间盘外层发生自发性的退化，导致中央部分的脱出。
Degenerative disk disease causes spontaneous degeneration of the outer part of the disk, resulting in escape of the central part.
中药天麻是一种退化的兰科植物，生长于山区，依靠兼性寄生于栎属树种上的蜜环菌为生。
The traditional medicine gastrodia is a degenerated orchid plant which grows depending on the Armillaria symbiosis on Quercus species in wild mountain area.
西南喀斯特地区的环境脆弱性只是土壤严重侵蚀退化的前提或内因，日益尖锐的人地矛盾导致的植被破坏和退化才是喀斯特土壤侵蚀退化的关键驱动力。
Environmental fragility is only the premise of severe soil degradation, but vegetation damage induced by destructive human-soil interaction is the key driving force, or "the last straw".
但是，尽管公开竞赛记录是知识诚实性的问题，坚持一个退化的纲领并试图把它转化为进步的却不是不诚实的。
But while it is a matter of intellectual honesty to keep the record public, it is not dishonest to stick to a degenerating programme and try to turn it into a progressive one.
本文主要研究高维空间中带有退化粘性的标量守恒律方程的光滑解的整体存在性，以及该解逼近强平面稀疏波的衰减率。
This paper is concerned with the decay rates of the solution to the strong planar rarefaction waves for scalar conservation laws with degenerate viscosity in several space dimensions.
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.
实验结果表明，该算法不仅具有较好的透明性，而且对缩放、剪切、JPEG或JPEG2000压缩等图像退化处理或攻击均具有较强的鲁棒性。
Experimental results prove that the method is invisible and robust enough against some image degradation processes such as resizing, cropping, JPEG or JPEG2000 compression.
目的：骨质疏松症是以骨量减少、骨组织显微结构退化为特征，以至骨的脆性增高及骨折危险性增加的一种全身性骨病。
Objective: Osteoporosis is characterized by a decrease in bone mass as well as a deterioration of the bone architecture resulting in an increased risk of fracture.
本文引入的讨论判断函数性质的方法具有一般性，因而也将适用于具更高次退化的非线性情况的研究。
The method with which we studied the judgement function is general, it will be useful in the research for the more degenerate vector field.
讨论双退化抛物型方程解的存在性和唯一性。
The existence and uniqueness of double degenerate parabolic equation are considered.
本文综述了土壤质量的内涵、土壤质量研究的重要性与重点、土壤质量演变的规律及土壤退化的途径。
This paper reviewed the intension of soil quality, discussed the importance of studying soil quality, and analyzed development laws of soil quality and the ways of soil degradation.
目前，河流退化已被公认为一个全球性的生态环境问题，受到国际社会的普遍关注。
At present, river deterioration has been already accepted as a global environment problem and been widely concerned by the international society.
目前，河流退化已被公认为一个全球性的生态环境问题，受到国际社会的普遍关注。
At present, river deterioration has been already accepted as a global environment problem and been widely concerned by the international society.
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