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However, pertussis is still a relatively uncommon cause of chronic cough.

然而，百日咳还是相对不常见的慢性咳嗽的原因。

Even before fitting a pessary, patient should be informed that it is not uncommon to have to change the size or type of pessay more than once after being originally fitted.

试带子宫托之前，应告知患者，子宫托的型号在初次测量后发生改变是很常见的。

This Norwegian trio is based upon the uncommon line-up of Hammond B3 organ, piano and drums.

LIONS OF PUXI是一个成立在上海的乐队。

Another feature of electrolytic CAPACITOR s, both aluminium and tantalum, is that most of them are polarized and require a DC bias for correct operation - a reverse bias may do damage and will certainly increase leakage (unpolarized electrolytic CAPACITOR s, which may be biased in either direction, do exist but they are uncommon, and considerably larger than the polarized variety).

电解电容还有一个特点，那就是绝大多数都是有极性的，其两端必须施加直流电压才能正常工作。如果极性接反，电容就可能损坏，其漏电流也会增加。无极性电解电容虽然已经问世，但是相比之下不常用，而且外形尺寸也比有极性电容大。

Another feature of electrolytic capacitors, both aluminium and tantalum, is that most of them are polarized and require a DC bias for correct operation - a reverse bias may do damage and will certainly increase leakage (unpolarized electrolytic capacitors, which may be biased in either direction, do exist but they are uncommon, and considerably larger than the polarized variety).

电解电容还有一个特点，那就是绝大多数都是有极性的，其两端必须施加直流电压才能正常工作。如果极性接反，电容就可能损坏，其漏电流也会增加。无极性电解电容虽然已经问世，但是相比之下不常用，而且外形尺寸也比有极性电容大。

The pontoon and mechanized bridge produced by the Corp are exported to Pakistan, Thailand, Bangladesh, Vietnam and Sudan etc. All the above demonstrations have displayed the uncommon strength of our company in this field.

公司生产的浮桥、机械化桥还先后出口巴基斯坦、泰国、孟加拉以及越南、苏丹等国，表现了我公司在该领域不凡的实力。

They are quite uncommon if not rare, and are excellent optics for portraiture.

他们是相当少见的，如果不是罕见的，是优秀的光学人像。

To take advantage of the chaotic mapping, a repetition prepotency evolution algorithm with a population initialized by chaotic numbers is developed in which the chaotic mapping is an uncommon seeding-machine to produce different initial'chromosome'populations never appeared before for PE algorithm. The combination of chaotic mapping and PE makes PECA be able to probe lots of optima rapidly and effectively owing to the quick convergence speed of PE and relatively high population diversity guaranteed by chaotic mapping.

结合混沌来初始化优势进化算法的群体成员，还设计了基于混沌初始化群体成员的循环优势进化方法，该方法在混沌保证每次优势进化绝对不同的初始群体成员的情况下，不仅具有了优势进化的快速收敛优点而且有混沌映射保证群体成员的高度多样性，从而可以快速探测很多局部最优点，大大提高了找到全局最优点的机会，用它训练神经网络预测四卤化物振动频率研究充分体现了该策略的优越性。

Balanitis 和 Posthitis Inflammation of the glans is uncommon in childhood when the prepuce is performing its protective function.

发炎在包皮是的童年龟头是不平常的施行它的保护的功能。

ALSAB adopts Maximum A Posteriori provability estimation and Expectation-Maximization algorithm to estimate the weight parameters of LSA,and ALSAB employs incremental learning to decrease accumulative effect caused in continuous update with considering that the probability of uncommon words decreases in continuous update.

ALSAB采用最大后验概率估计与期望值最大算法对概率LSA模型参数进行有效的估计，在充分考虑多次更新中不常用字词概率参数降低问题的前提下，采用增量学习方法降低多次更新产生的累积效应。

With Death guitarist Schuldiner adopting vocal duties, the band made a major impact on the scene.

随着死亡的吉他手Schuldiner接受主唱的职务，乐队在现实中树立了重要的影响。

But he could still end up breakfasting on Swiss-government issue muesli because all six are accused of nicking around 45 million pounds they should have paid to FIFA.

不过他最后仍有可能沦为瑞士政府&议事餐桌&上的一道早餐，因为这所有六个人都被指控把本应支付给国际足联的大约4500万英镑骗了个精光。