the infection incidence rate of patients> 80 years old was 5.81%. the old patients, whose period of hospitalization was longer than 5 weeks, showed a more higher infection incidence ( 26.17%).

the average age of the patients in the hepatocarcinoma group was significantly higher than that in the control group, and ≥ 50 years old was the high-risk period for the occurrence of hepatocarcinoma.

肝癌组患者平均年龄显著高于对照组，年龄段的比较显示，≥50岁年龄段是肝癌发生的高危年龄。

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it also showed that when the average temperature was about 28 ℃. the larvae developed very fast, especially 1~ 2 old larvae whose growing period was about one day.

平均温度在28℃左右时，蝇类幼虫发育最快，尤其是1～2龄幼虫，时间为1天左右，且较稳定。

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on the one hand, it succeeds some old institutions in shogunate period;

一方面，它继承了幕藩体制时的一些旧有的土地制度；

provided by jukuu

1978: those old affairs in the period of historical turn ( part five);

1978年：历史转折期的那些旧事（5）

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according to the variation regularity of chemical compositions the bamboo mature growing can be classified as three periods: increasing period ( below 4 years old), steady period ( 5~ 7 years old), declining period ( above 8 years old).

化学成分随竹龄的变化可以分为增长期（1～4年生）、成熟期（5～7年生）、下降期（8年生以上）。

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there are various reasons about how to cause the bribery crime, not only the political economical and ideological reasons, but also legal problem about ineffective supervision in the old system transformation period.

贿赂犯罪的产生原因是多方面的，既有政治的、经济的、思想的原因，也有新旧体制转换时期监督不力的法律本身的问题。

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from quantum hypothesis, light quantum hypothesis and atom model hypothesis in old quantum theory period, to the uncertainty hypothesis, incompatible hypothesis and complementary hypothesis in mature stage.

从旧量子论时期的量子假说、光量子假说和原子模型假说，到理论成熟阶段的测不准假说、不相容假说和互补性假说。

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practical experience of residual pillar resources recovery during old workings close period in xiangxi gold mine was summed up in this paper.

本文总结了湘西金矿老矿山闭坑中充分回收残矿柱资源的实践经验。

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there was no significant difference in the prevalence rate of anaemia aged under 6 years old for a period of 5 years.

6岁以下儿童贫血患病率5年间差异无统计学意义。

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this paper focuses on the issue about nature and art. it is based on the comparison of sculptures between han dynasty in china and old greek period. the different interests of fine arts are illustrated in the western and eastern fine arts.

本文以汉雕塑与古希腊雕塑为基础从美术学的角度出发，围绕着自然到艺术这一问题展开。

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three stages of its development are old legend period during the han dynasty and the wei-jin period, the new legend period during the tang and the song dynasties and the post legend period from the yuan and the ming dynasties.

三阶段是汉魏晋的旧传说时期、唐宋的新传说时期和元明以来的后传说时期。

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before the world war ⅱ, taking the old republic period of brazil as a start point, it disserts the causes of the polarization of wealth in brazil and its typical performance in the new republic period.

二战前，以巴西旧共和国时期为起点，论述巴西贫富分化问题的由来，继而探讨新共和国时期的典型表现。

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for the buried hot waxy crude pipeline running at low flux, the new best pigging period model is established based on old pigging period model, which consider paraffin deposit thickness.

针对热含蜡原油管道低输量下运行现状，在原有经济清蜡周期模型基础上考虑余蜡厚度的影响，建立了含清蜡周期和余蜡厚度两个自变量的最优清蜡周期模型。

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large numbers of contracts and legal texts in old babylonian period could reflect the social situation of ordinary women, but the texts about upper-class women are rare.

出土的古巴比伦时期的大量契约和法律类文献能够反映出普通阶层妇女的社会状况，但是关于上层社会妇女的文献材料却不多见。

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it analyses the sources and prices of slaves in the slave trade and the influencing factors and changes in the old babylonian period of the slaves price.

分析了奴隶买卖中奴隶的来源、价格，以及奴隶价格的影响因素和其在整个古巴比伦时期的变化情况。

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the slave was very important in the old babylonian period, and they were the important part of the old babylonian period society.

奴隶在古巴比伦社会中占有重要的地位，是构成古巴比伦时期社会的重要组成部分。

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studies on the slave is to know the politics, economy, culture of the old babylonian period.

对其进行研究是认识和了解古巴比伦时期政治、经济、文化等社会内涵的重要环节。

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reflection on some marital customs in the old babylonian period

古巴比伦婚姻习俗若干问题的再考察

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all historical rates are stored by period and actuality, which means that you can go back to an old period and locate the exact values that were used during the currency conversion.

所有历史汇率都按期间和现状存储，这意味着您可以追溯到一个较早的期间并定位货币转换过程中使用的确切值。

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narrow band secure voice system

窄带话密系统

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