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是至关重要
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  is vital
     Polisy of "quality first" is vital importance to all enterprises,and to implement the ISO9000 series standards is an effective method to assure the quality of product.
     质量对企业的发展是至关重要的,而贯彻ISO9000族标准是保证质量的有效方法。
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     For Guizhou, one of 12 provinces in the scope of the West Development, it is vital how to select reasonably key developing zones, with the policies of West Development and on the basis of advantages over geographic distribution, natural resources and industries of Guizhou.
     贵州省作为西部大开发确定的12个省市自治区之一,如何乘西部大开发这股东风,以此为契机,充分发挥贵州在西南地区甚至全国的区位优势、资源优势、产业优势等来实现贵州整体经济的全面高涨,科学、合理地选择重点发展地带(区)是至关重要的。
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     It is vital to design information storage of multi-media teaching system based on IP/TV technology.
     基于IP TV技术的多媒体教学系统中信息存储的设计是至关重要的。
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     After analyzing the reasons lead to the unsuccessful result, this thesis came to the conclusion that it should be ascribed to the irremediable defect, i.e. the lack of basis for economic cooperation, which is vital to the regional economic integration organizations.
     本文通过对南南型区域经济一体化组织不成功的原因进行分析,发现造成一体化不成功这一结果的主要原因在于发展中国家自身存在无法弥补的缺陷,即它们缺乏在经济领域内进行合作的基础,而这对于区域经济一体化组织而言这是至关重要的。
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     In the course of teaching,it is vital to train students' creative thinking ability by employing efficient teaching method.
     设计的构思过程是一种创造性思维活动的过程 ,而创造性与创新的结果源于设计师活跃的、敏捷的创造性思维 ,因此 ,在设计教学中 ,采取有效的教学方法 ,强化对学生创造性思维能力的培养是至关重要的。
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  is crucial
     A suitable implication relation matrix is crucial to Zadeh's CRI.
     对于Zadeh的模糊关系合成法则(简称CRI方法),选择一个适宜蕴涵关系矩阵是至关重要的。
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     It is crucial to prevent underground tunnel structure from cracking and improve durability of concrete.
     地下隧道结构防止混凝土开裂和提高混凝土的耐久性是至关重要的一环。
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     It is crucial to deal with the interference problem for the further development of UWB systems, such as Multi-User Interference (MUI), Inter- Symbol Interference (ISI) and Narrow-Band Interference (NBI).
     解决UWB通信系统中存在的干扰问题,如用户间干扰(MUI)、码间干扰(ISI)、窄带干扰(NBI),对于超宽带系统的发展来说是至关重要的。
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     Fast,highly efficient,and sensitive separation technique is crucial for DNA analysis.
     快速、高效而灵敏的分离技术对于DNA的分析是至关重要的。
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     So it is crucial to improve traditional TCP to make it fit into Ad Hoc network.
     为此,对传统的TCP协议进行改进,使之适合Ad Hoc网络环境将是至关重要的。
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  is essential
     For the system of Cl/Cl2/HN3/He which is the basis of concept of NCl(a1Δ)/I as a newly possible laser system, the amount of the production of chlorine atoms is essential and important to the system.
     以Cl/Cl2/HN3/He为基础的NCl(a1Δ)/I作为一种化学激光新的体系,氯原子产生的多少对该体系的研究是至关重要的。
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     Prediction of protein-protein interaction sites is essential for mutant design and reconstruction of protein-protein interaction networks.
     蛋白质相互作用位点的预测对于突变设计和蛋白质相互作用网络的重构都是至关重要的.
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     The communication security is essential to RFID technology.
     通信安全对于RFID技术是至关重要的。
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     The integrality of RNA extracted and purified from tissues is essential for molecular biology.
     从组织提取RNA的完整性对于分子生物学研究是至关重要的。
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     Information cost is the core of market exchange cost. To reduce information cost is essential to reduce security exchange market cost and improve market resource allocation efficiency.
     信息成本是市场交易成本的核心,降低信息成本对于降低市场交易成本、提高市场资源配置效率是至关重要的。
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  “是至关重要”译为未确定词的双语例句
     Language expression art can give the person the emotion joyful and the beautiful sublimation,the thought political work's language expression also is an art,to do well the thought political work,fastidious language art is very important.
     语言表达的艺术能给人带来情感愉悦和美的升华,思想政治工作的语言表达也是一门艺术,讲究语言艺术对搞好思想政治工作是至关重要的。
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     It's essential for a university to build the spirit of the university.
     大学精神对于一所大学的建设是至关重要的,有什么样的大学精神,就能够建设什么样的学校。
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     When the method of stress releasing is adopted to model shield-driven,it is very important to determine the coefficient of stress releasing before lining is built.
     采用应力释放法模拟盾构法隧道开挖时,合理地确定生成衬砌前的应力释放系数是至关重要的,它对地表变形以及衬砌内力的影响非常明显。
短句来源
     The quality of IP is very important for a SoC design.
     对于系统芯片设计,IP的质量是至关重要的。
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     Economy growth mode is the most important choice for China
     经济增长方式是至关重要的选择
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  is vital
So it is vital to enhance the protection of the only original Metasequoia population in the world and its habitat.
      
It is demonstrated that knowing the location and shape of the metal-like bridge is vital for understanding the mechanism and constructing a physical model of polarity-dependent electrical mass transfer in silicon.
      
We argue that it is vital to optimize satellite image filtering parameters for special areas and purposes, which focus on monitoring ecological construction projects.
      
Therefore it is vital to study the combustion characteristics of mixed waste.
      
Besides, the interannual differences of the intraseasonal variations (ISV) of OLR and their northward transmission probably make a contribution to the position of the subtropical high which is vital for the summer rainfall in the province.
      
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  is crucial
Also, we can obtain spherical wavelets with small support, a fact which is crucial in working with large amounts of data, since the algorithms deal with sparse matrices.
      
In terms of the goal of low energy consumption and high connectivity, the control on topology is crucial.
      
The determination of the mass of black holes in our universe is crucial to understand their physics nature but is a great challenge to scientists.
      
Detection of abnormal myocardial perfusion is crucial to the prognosis of patients with coronary artery disease (CAD) after they have undergone percutaneous coronary intervention (PCI).
      
Developing catalysts with high activity and stability is crucial for the application of the CWAO process.
      
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  is essential
To establish a relationship between activity and structural descriptors of BABQ compounds, it is essential to develop a regression or an input-output model.
      
High β-glucosidase activity is essential for deep pulp hydrolysis.
      
Known and new methods for defining a resolving function, which is essential for applying these conditions, are described.
      
According to the published data, the odor of the secretory substance of the circumanal hepatoid glands is essential for communication in wolves and dogs.
      
We identified a segment of gene expression that is essential for neoplasia.
      
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The HF discharge characteristic μwRwH1 - W/μwR2wH1L is given in concise form by a quasichannel model, and then transformed onto the (Uk- Iα1) plane by relations deduced from oscillatory circuit. Its intersection point with the newly introduced characteristic of the HF generator Uk-Iαl determines the actual working condition. Then follow the discussions of the impedance matching, the scaling law and the influence of gas properties. It is the first time in the literature to give an analysis of impedance matching...

The HF discharge characteristic μwRwH1 - W/μwR2wH1L is given in concise form by a quasichannel model, and then transformed onto the (Uk- Iα1) plane by relations deduced from oscillatory circuit. Its intersection point with the newly introduced characteristic of the HF generator Uk-Iαl determines the actual working condition. Then follow the discussions of the impedance matching, the scaling law and the influence of gas properties. It is the first time in the literature to give an analysis of impedance matching entirely on theoretical ground. The results are in fair agreement with experiments, and the prediction about pure hydrogen plasma is also confirmed in practice.

本文利用拟渠道模型得到简明的分析表达式,求出了放电特性曲线;定义了高频振荡器的输出特性曲线,并作了计算;且由槽路参数将上述两曲线联系起来,定出工作点。为此可预先对任一种气体及高频机判断放电能否维持;可以讨论对工程实践至关重要的阻抗匹配问题以及功率放大规律;并指出π网络适用于氢等离子体而且得到实验证实。

The application of A. I. for giant panda was practised during 1978 to 1980 at Beijing Zoological Park, resulting in 4 of 16 inseminated animals pregnant and 8 youngs born. However, further studies seem to be needed to improve the techniques aiming at a higher conception rate. In the present investigation fresh semen with a motility rate of 75-80% was diluted with a 1:3 or 1:4 v/v yolk-glucose sodium citrate extender. The motility rate after 72 hours' storage at 0—5℃ was higher than 30%, whereas it dropped below...

The application of A. I. for giant panda was practised during 1978 to 1980 at Beijing Zoological Park, resulting in 4 of 16 inseminated animals pregnant and 8 youngs born. However, further studies seem to be needed to improve the techniques aiming at a higher conception rate. In the present investigation fresh semen with a motility rate of 75-80% was diluted with a 1:3 or 1:4 v/v yolk-glucose sodium citrate extender. The motility rate after 72 hours' storage at 0—5℃ was higher than 30%, whereas it dropped below 30% within 48 hours if the dilution rate was 1:1. The motility of semen which was diluted with sucrose-glycerin-yolk extender, 1:3 v/v, and preserved under liquid nitrogen for 2 years, could be compared with those right after this preservation. The whole oestrus period, including pro-oestrus, oestrus, and metaoestrus, of this mono-oestrous panda was recorded as 15 to 25 days in a year and, hence, to make sure of its oestrus period by observing the courting behavior would seem to be the crucial problem by our experience for the practice.

大熊猫利用人工授精繁殖后代在我国首获成功,自1978年至1980年三年中,共输精16只,四只产仔。大熊猫原精液为乳白色,pH值为6.4至7.4,每毫升有17亿至20亿精子。在0~5℃下保存时用卵黄—葡萄糖—柠檬酸钠液稀释,原精液与稀释液的容量比为1:3或1:4时,保存效果较好,保存72小时后精子活率在30%以上。在超低温(-196℃)条件下保存时用蔗糖—甘油—卵黄液稀释,原精液与稀释液的容量比为1:3,滴冻后置入液氮中保存到二年时复苏后活率仍维持在入存时的水平。此外,还比较详细地介绍了雌大熊猫发情时行为、食欲和生殖器官的某些规律性变化。当出现求偶行为时,上述变化达到高潮。此时动物处在发情期,是输精的最适时间。北京动物园人工授精繁殖的四胎,均在此时输精。关于采精和输精问题,作者认为,输精比较难,其技术关键是准确地将精液注入子宫颈中,这对于提高受胎率是至关重要的。

In this paper, the mechanism of TSC (thermally stimulated current) due to the excess charge in film electret is described, and an analytical expression for the TSC is derived. We suggest that the TSC due to the excess charge is mainly caused by the diffusion of carriers across the zero-field-intensity surface. From this po.nt of view the quantitative relationship between TSC and the transport of ca r ers in the electre is established, and an explanation of the low efficiency of TSC is cbcaiaed. Expeximen s designed...

In this paper, the mechanism of TSC (thermally stimulated current) due to the excess charge in film electret is described, and an analytical expression for the TSC is derived. We suggest that the TSC due to the excess charge is mainly caused by the diffusion of carriers across the zero-field-intensity surface. From this po.nt of view the quantitative relationship between TSC and the transport of ca r ers in the electre is established, and an explanation of the low efficiency of TSC is cbcaiaed. Expeximen s designed according to the above point of view showed that the TSC experiment may be carried out without golden coating on the sample, which is a fact of vital importance for an eleetret film 10 μm thick.

本文论述了薄膜驻极体中过剩电荷引起的热激电流(Thermally Simulated Curren)形成的过程和机理,并建立了相应的解析式。文中提出了过剩电荷引起的热激电流,起因于脱阱电荷的“穿零扩散”的观点,从而建立了热激电流与驻极体内部载流子迁移的定量关系;同时指明了过剩电荷的热激电流效率低的原因。按照这一观点进行的实验表明,在热激电流实验中,样品可不蒸佥,这对厚度为10微米左右的薄膜驻极体是至关重要的。

 
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