由于潜伏期呈偏态分布,所以即使消除了麻疹,在最后一批麻疹病例发生之后的20- 30年间仍有可能发生SSPE。
Even with the elimination of measles, cases of SSPE may still occur 20 to 30 years after the last measles cases because of the skew of the latency distribution.
如果你有机会,试着去看看一些比较偏的地方,如会议室、餐厅、甚至洗手间。
If you get a chance, try and check out a few off the beaten path rooms such as a meeting room, lunchroom and even the washroom.
给出反偏电压、光谱响应、暗电流、极间电容、极间阻抗、位置分辨率和位置线性特性等性能的测试结果。
Several test results, such as reverse voltage, photo sensitivity, dark current, terminal capacitance, terminal impedance, position distinguishability, position Iinearity, were reported in the paper.
该算法采用浮点编码方式,定义了二元实向量类型的适应值及适应值间的严格偏序关系。
The system uses real-number encoding, and defines the fitness value by a two-dimensional vector, inducing a strict partial ordering on the population individuals.
此外,该算法同样适用于概念间存在的其它偏序关系如整体部分关系等。
An interesting feature of the presented algorithms is that it can also be used in other kinds of partial relation among concepts.
当破坏标准选定时,界限累积耗损能量与平均应力、偏应力比及动应力间较好的回归关系。
When the failure criterion is decided, the limit accumulate energy dissipation can be fitted by a formula which includes the average stress, deviator stress ratio and cyclic axial stress.
提出了一种在格的拓扑序列上进行概念聚类的快速算法,并且定义了概念聚类间基于偏序的层次关系。
Next, a fast fuzzy conceptual clustering algorithm is proposed to cluster the fuzzy concept lattice into conceptual clusters.
在另一实施方案中,至少一个组件表现出与偏二氯乙烯聚合物类似的层间粘合强度。
In another embodiment, at least one component exhibits interlayer adhesion strength similar to vinylidene chloride polymers.
通过对以上两种晶间脆性断裂发生机理的分析发现,他们都是由溶质的非平衡偏聚临界时间引起的。
It is found that intermediate temperature embrittlement and temper embrittlement are induced by the critical time of NGS for solute.
通过数值拟合,得到系统中背向反射引起的系统零偏与背向反射系数及环形谐振腔参数间的关系表达式。
Further more, by the numerical simulation, the relationship between the system drift caused by the back-reflection noise and the parameters about the reflection and the resonator was derived.
在澳大利亚时偏软的轮胎在正赛中要更快,两种轮胎间差别十分大。
In Australia sometimes the softer was much faster in the race, but the difference was quite big.
为了克服模型与过程间的偏差,提出了一个基于时变偏扰模型的间歇过程迭代学习控制方法。
This paper presents an iterative learning control technique for batch processes based on time varying perturbation models.
为了克服模型与过程间的偏差,提出了一个基于时变偏扰模型的间歇过程迭代学习控制方法。
This paper presents an iterative learning control technique for batch processes based on time varying perturbation models.
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