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In recent years, high performance concrete (HPC, or high strength concrete-HSC) has been widely used in engineering practices such as bridges, runnels, tall buildings, offshore oil platforms and nuclear engineering applications due to its intrinsic properties of high strength, high durability etc. Hence, the prediction of HPC structures performance is of great practical importance, in particular for safety evaluation of HPC structures subjected to fire or other thermal hazard situations.

近年来，随着建筑结构性能要求的提高，高性能混凝土(HPC，或称高强度混凝土HSC)正逐渐蓬勃兴起并替代传统的混凝土用于桥梁、隧道、高层建筑、海洋石油平台和核工业设施等方面，因此对于高性能混凝土结构性能的预测显得十分重要，对火灾或其它高温危险环境下高性能混凝土结构安全性的评估尤其值得重视。

The structure, cutting-RNA mechanism and mechanism of action to HIV-1 were introduced in this paper, especially the progress of the studies of the ribozymes acting on HIV in recent years and the foreground in curing AIDS.

因此，较其它基因疗法如RNAi、DNAdecoy等，更能有效地抑制HIV复制，并且对由HIV变异而导致的耐药病毒株同样有效，同时对病毒突变的诱导作用也较其它抗病毒药物低。

The application of Liquefied Petroleum Gas in engine has been popularized and applied in recent years, but one distinctive disadvantage existing in both of them when applying the first or second LPG supplying system is that the driving performance drops to some degree .

近年来液化石油气用作发动机燃料已经得到了一定的推广和应用，但是采用第一、二代LPG燃料供给技术有一个明显的缺点就是动力性都有不同程度的下降。

Red flesh pumelo is a variety of Citrus grandis. Osbeck. It is one of popular fruits in Taiwan. In recent years, the red flesh pumelo production increased significantly in Taiwan.

红肉文旦为普通文旦的变种，由于其特殊品质而倍受青睐，是台湾重要水果之一，近年来台湾红肉文旦产量逐年提高。

In recent years, there has been a great deal of interest in the investigation of polarons in the quantum dots, and some useful results are obtained.

近年来，许多学者用不同的方法研究了量子点内极化子的性质，并得到了一些有意义的结果。

The advertising and printing fair has had four sessions and is the largest in scale. It is an exclusive professional fair of the kind in Shenzhen in recent years. It also falls into those that have great influence throughout China. The company pays much attention to organizing visitors and orderers. Hence it has got good comments from exhibitors and visitors.

广告、印刷展已成功举办五届，是深圳近年来规模最大的、唯一的专业广告、印刷展，也是全国影响力最大的广告、印刷展之一，公司十分重视参观、订货人员的组织工作，深得广大参展商及参观商的好评。

The advertising and printing fair has had three sessions and is the largest in scale. It is an exclusive professional fair of the kind in Shenzhen in recent years. It also falls into those that have great influence throughout China. The company pays much attention to organizing visitors and orderers. Hence it has got good comments from exhibitors and visitors.

广告、印刷展已成功举办三届，是深圳近年来规模最大的、唯一的专业广告、印刷展，也是全国影响力最大的广告、印刷展之一，公司十分重视参观、订货人员的组织工作，深得广大参展商及参观商的好评。

Zero valent iron has been widely used in remediation of groundwater pollution. The potential for using zero valent iron to treat chromium pollution in situ has been concerned in recent years.

零价铁已广泛的被应用於地下水整治复育工作上，近年来，利用零价铁现地处理铬污染的潜力也逐渐被重视。

The affairs of deceitful financial reports in listed companies and audit failure in accounting firms took place continuously in recent years. Since auditing services has the special attribute as "quasi public product", it's necessary to look for a valid means to control the quality of audit and insure the benefits of the public and the whole market economy revolve effectively.

论文摘要近年来上市公司虚假财务报表事件以及会计师事务所审计失败的情况在国内外不断发生，由于审计服务具有&准公共产品&的特殊属性，社会有必要寻找一种有效的手段来控制其质量，以确保公众的社会利益和整个市场经济的有效运转。

Cognitive relativism is one of the methodologies which has prevailed in recent years in social science,most of disciplines in social science taking it as a way of re-cognition about truth and knowledge.

认知相对主义近年来又活跃于社会科学研究中，成为重新认识真理和知识的一种手段。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。