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Based on elaborating the concepts of landscape and landscape architecture,this article summarized the history of Amrican landscape architecture, representative landscape architects with their ideas and the professional area landscape architect dealt with,
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在阐述景观和景观设计的概念的基础上,综述了美国景观设计专业的历史,代表人物及其思想,景观设计师所从事的职业范围,旨在向大家全面介绍美国的景观规划设计专业. |
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Based on elaborating the definition and methods of the transgenosis technology, the research development and industrialized application of the transgenosis technology in phytomelioration, medicine, animal husbandry and food industry were introduced in det
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本文在阐述了转基因技术的定义及方法的基础上，详细介绍了转基因技术作为生物技术的核心在植物改良、医药、畜牧业和食品工业方面的研究进展和产业化应用情况，并对转基因技术带来的社会影响作了讨论。 |
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Based on energy theory, wrinkling criterion in deep drawing for axisymmetric parts is derived to take geometry parameters, friction coefficient, material properties, and the law of critical blank-holder force (BHF) of side wall wrinkling in the constraint
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从能量平衡原理出发，通过对屈服准则的线性化处理，推导了考虑几何参数、摩擦系数和材料性能参数、板材皱曲时约束条件的轴对称拉深成形过程中侧壁起皱临界压边力的变化规律，给出了皱曲判据。 |
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Based on engineering instance and experimentation, the performance indices of polypropylene fiber concrete are expatiated.
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通过工程实例和试验成果，阐述聚丙烯纤维混凝土的性能指标。 |
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Based on equilibrium assignment algorithm, an algorithm for the model was designed, which could quickly solve the network capacity problem for large road network and gave the direction to the improvement of road capacity.
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以平衡配流算法为基础，设计了模型的求解算法，该算法能快速求解大规模道路网络的容量计算问题，并给出提高道路网容量的方向。 |
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Based on equivalent four-terminal networks of the longitudinal ultrasonic transformer, the resonant frequency equation and the amplitude magnification coefficient, with reactive load, are studied.
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摘要在负载为纯力抗的状况下，利用纵振型变幅杆等效四端网络，对频率方程和放大系数进行了研究。 |
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Based on establishing a quantitative index system of comprehensive assessment for dam structure monitoring behaviour, a new thought about measuring the quantitative indices, is offered by means of analyzing the dam safety monitoring data in two sides of n
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摘要在建立大坝结构实测性态定量评价指标体系的基础上，通过对大坝安全监测资料的数值表现和趋势表现两方面的研究，为研究定量评价指标的度量方法提供了一条基本思路。 |
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Based on establishing the reasonable evaluation system of process quality,it realize the system intergration on processing process.
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在建立合理的工序质量评价机制基础上，实现加工过程的系统化集成。分组加工工艺实施，要避免形式化的误区。 |
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Based on establishment of calculation mode of traffic flow for container port and in accordance with the related theories of traffic engineering, this paper carries out analysis on adaptability of road system and traffic flow of road transportation of con
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通过建立集装箱港区公路交通量的计算模式，并借助交通工程学的有关理论分析港口道路集疏运系统的适应性。 |
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Based on examples, the problems in reinstallation process of oil pump, tap-changer and bushing after transformer maintenance overhaul are analyzed. The measures to prevent the problems are presented.
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摘要以实例分析了变压器大修后潜油泵、无励磁分接开关、套管回装过程中存在的问题，提出了防止类似问题发生的措施。 |
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Based on exceptional technologies and reliability, Williamson Valve Group strived for research and development of new products and its valvesacquired ABS certificate and CE marking for Europe market.
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凭借阀门产品领先的技术和可靠的性能，威廉姆森阀门集团致力于新产品的研发，阀门产品取得了美国造船协会的ABS证书和进入欧洲市场的CE认证。 |
