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The advantages of this method are as follows:①It is available even the ultimate state function is unknown.

该方法的优点是：①可用于极限状态函数未知的情况。

As showed above, we could draw the conclusion that H3 viruses could cause outbreaks or local epidemics in Shanghai for the immune of population to the new emerging antigenic drift was still unknown though there was strong immune barrier to the previous vaccine strain, H1 viruses also may caused epidemics as the population had a weak immune protection to the previous reference strains A/New Caledonia/20/99-like and part of the recent isolates were distingwishing from them and continued to evolute on the new reference strain, and H5N1 HPAI activities has expanded its geographical range thus increasing the size of the population at risk as the continuing emergence of human cases which give the virus an opportunity to evolve towards a fully transmissible pandemic strain. We should keep eyes on the human cases of avian influenza virus an its variation for the H5 isolates in Shanghai also has the possibility to infect human directly and the infection of H5, H9 viruses had previously occurred in the population especially in those contacting with animals.

综合上述分析结果，我们认为上海地区人群虽然对原有的H3亚型参考病毒株有较高的免疫保护，但H3亚型病毒HA已出现新的抗原漂移，人群现在对新变异株的保护水平尚未知，有可能在未来引起局限性暴发甚至地方性流行；人群对H1亚型流感病毒免疫保护水平低，同时H1亚型流感病毒株部分与原推荐疫苗株抗原性差别较大，并在现推荐疫苗株基础上继续变异，需警惕发生流行的可能性；H5N1亚型高致病性禽流感地域范围扩大，人间病例不断发生，存在演变成大流行株的威胁，上海市H5亚型禽流感病毒株存在跨宿主屏障感染人类的可能性，而且已发现人群尤其禽、畜类动物接触人群中存在H5、H9亚型流感病毒的既往感染，应警惕禽流感病毒的变异和人间病例的发生。

Parents anxious about the rash characteristic of early childhood, the child will feel anxious not horrible rash, when the 6 months to 2-year-old children have a high fever of unknown causes, it is necessary to think of the possibility of measles exanthema.

家长了解了小宝宝急疹的特点后，就会觉得小宝宝急疹并不可怕，当6个月至2岁的宝宝有不明原因的高热时，要想到有小宝宝急疹的可能性。

However, the mechanism underlying the effect ofiodine excess on thyroid function remains unknown in part. Moreover, differentanimals show different ability to respond to iodine deficiency and iodine excess.Therefore, it is of great necessary to establish different animal models in vitro andtake a thorough evaluation of the impact of iodine intakes on thyroid function and itspossible regulation mechanism.

迄今的研究多集中于碘摄入水平与甲功关系这一现象的观察，对碘与甲状腺功能变化的剂量-效应关系及其具体调控机制的实验论证尚有待于进一步深入，且不同动物对碘缺乏与碘过量的反应性和耐受性有所不同，因此有必要建立不同的动物模型，就碘对甲状腺功能的影响及其可能的调控机制做系统而深入的研究。

However, the efficacy of this technology in intraoperative localization and excision of spinal tumors is still largely unknown.

然而，这项技术在术中定位和切除脊柱肿瘤的作用仍知之甚少。

The reason for his exclusion is unknown.

原因是他的排斥是未知之数。

Also exclusionary area set up around aircraft for unknown exposition at this time also.

同时在没有说明的情况下，在飞机周围确立了警戒区。

The names of the members of the Executive Committee must remain to be unknown.

管理委员会的人员名单是保密的。

Also at work is our existential anxiety, the fear of death and the unknown.

存在的焦虑，以及对死亡和未知事物的恐惧，也在发挥作用。

Botulinum from some unknown source, and then the exotoxin is produced within the infant's intestine.

最近，研究结果表明，婴儿的胃肠道能够成为殖民地与角肉毒一些来源不明，然后是毒素产生的婴儿的肠道。

If you were not , and OS X just booted normally, have no fear.

如果你没有，和OS X刚刚启动通常，没有恐惧。

I only want to preserve our all .

我只想保存好我们的一切