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This paper describes the impact of rotation and succession planting on seedling growth of Cunninghamia lanceolata, Ziziphus jujuba var. spinosa and Magnolia officinalis etc and its corresponding soil fertility in the forestry nursery.
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摘要研究了林业圃地连作与轮作培育杉木、酸枣、厚朴等苗木的生长状况及土壤肥力的变化。 |
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This paper describes the law of main physical configuration parameters affecting on hydraulic characteristic of bifurcated pipe by means of hydraulic calculation and model test, suggestion is given on the selection of the configuration parameters.
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摘要通过水力数值计算、水力模型试验对西龙池抽水蓄能电站内加强月牙肋岔管水力特性进行了较系统的研究，总结了内加强月牙肋岔管主要体形参数对其水力特性的影响规律，并对内加强月牙肋岔管体形参数选择提出建议。 |
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This paper describes the major technical parameters of electrical system about metro vehicle in Teheran. Is also gives the operational principle of driving, braking and safe running system.
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摘要介绍了德黑兰地铁车辆电气系统的主要技术参数，以及牵引及制动系统、安全行车系统的工作原理。 |
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This paper describes the mechanism and dynamical process of the ablation of metals by femto-second laser, reviews recent research development in the formation of the microstructure in metals by femto-second laser and discusses the possibility of femto-sec
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摘要要阐述了飞秒激光与金属相互作用的机理和动力学过程，介绍了飞秒激光特有的精密加工特性，归纳了飞秒激光诱导金属微结构的研究进展。 |
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This paper describes the new stereoscopic and whole painting of studying on mass media based on the academic works and special conference, the talent training and news net etc.
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本文结合我国近年在网络传媒领域学术论著与专题会议、人才培养与新闻网站等8个方面的发展，构勒出一幅立体的、全方位的网络传媒研究新画卷。 |
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This paper describes the principle and method for testing pile bottom force-hearing layer and pile body force-bearing declivity, deals with results of standard component test and inclined model pile test under the condition of inclination, and also gives
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摘要阐述了桩底持力层与桩身倾斜度测试原理及方法，列举了倾斜情况下的标准件试验及倾斜模型桩试验结果与工程应用实例。 |
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This paper describes the principle and technique of high-precision quantitative interpretation of mise-a-la-massemethod for the underground dynamic conductor.
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摘要提供了动态导体充电法的高精度定量解释的原理和具体方法。 |
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This paper describes the problems in the popular process of Chinese higher education, analyzes the essence of mass higher education, and finally proposes same measures for promoting the harmonious development of mass education and elite education to advan
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摘要结合我国高等教育发展的实际情况，描述了我国高等教育大众化过程中的问题与困惑，分析了高等教育大众化的本质，提出了促进大众教育与精英教育和谐发展从而推动大众教育健康发展的具体建议。 |
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This paper describes the regional difference in the relationship between positive fiscal policy and private investment using the panel data in eastern, central and western part of China.
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摘要本文利用面板数据模型分别考察了积极财政政策对我国东、中、西部私人投资增长和差异的影响。 |
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This paper describes the rule of group communication as the relationship between agents and the way individual adjusting their own opinion as agent decision-making function, and with the help of multi-agent organization simulation model, analyses influenc
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摘要通过将群体沟通的规则和意见调整的方式，抽象成为多智能体组织中的智能体相互作用关系和个体决策函数，通过构建多智能体模型，模拟分析了群体不同的沟通特性和沟通策略对群体沟通最终意见模式的影响。 |
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This paper describes the structural type and characteristics of double-pile floating energy dissipating installation, principle of energy absorption during vessel's berthing, scope of adaptability and main points of design, which may serve as a reference
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摘要介绍双桩浮式消能设施的结构型式及特点，船舶靠泊吸能原理、适用范围以及设计要点等，可供大吨位浮码头的设计借鉴。 |
