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变量技术
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  variable rate technology
     Precision Agriculture Information Processing Based on Variable Rate Technology and 3S Technology
     基于变量技术和3S技术的精细农业信息处理
短句来源
     Study on Water Distribution Uniformity of Center Pivot and Lateral Move Irrigation Systems Based on Variable Rate Technology
     基于变量技术的圆形和平移式喷灌机水量分布特性的研究
短句来源
     R&D of Variable Rate Technology in Precision Agriculture Management System
     精确农业管理系统可变量技术研究现状与发展
短句来源
     By introducing the basic concept of precision irrigation system,This paper put forward that VRT(Variable Rate Technology) is the pivotal technology of precision irrigation.
     本文通过对精准灌溉系统基本概念的论述 ,提出变量技术是精准灌溉的技术关键。
短句来源
     The paper introduces precision agriculture information processing based on variable rate technology(VRT) and 3S(DGPS、GIS、RS) technology,and discusses its technical ideas,data acquisition, information processing,decision implement and technical support system. Finally this paper points out the necessary,application and development tendency of precision agriculture.
     介绍基于变量技术和3S(DGRS,GIS,RS))技术的精细农业信息处理,并对其技术思想、数据采集、信息处理、决策实施及其技术支撑体系进行阐述,最后指出实施精细农业的必要性、应用及发展趋势。
短句来源
  “变量技术”译为未确定词的双语例句
     Application of VRT in Precision Irrigation
     变量技术在精准灌溉上的应用
短句来源
     GIS,GPS,RS and other real-time sensors could be integrated to create the world of spatial-temporal variability based on nature biology and their environment recourses and establish precision forest system by decision support system(DSS) and variable rate technique(VRT).
     集成GPS、GIS、RS及各种实时传感器信息,利用智能决策支持系统以及可变量技术,能够实现基于自然界生物及其赖以生存的环境资源的时空变异性的客观现实,建立基于信息流融合的精确林业系统。
短句来源
     The real-time displaying control parameters is realized by using LabVIEW's global variable technology.
     运用L abV IEW的全局变量技术,实现控制参数的实时跟踪显示;
短句来源
     In this paper, the equation of anti-plane wave motion in a two-dimensional finite element model is first separated into two one-dimensional simultaneous equations by-means of the separating variable method, analytical solutions of the above equations are ob-tained.
     采用分离变量技术,将二维出平面(Anti-Plane)波动问题的有限元运动方程化为两个联立的一维方程,获得了这一离散模型中波动的解析解,由此对有限元离散模型中出平面波动问题进行了深入的研究。
短句来源
     With ChinaNet users increasing drastically, the performance of telecom RADIUS is more and more concerned with. An efficient multi-processing synchronous mechanism is studied in order to increase the capability of authentication server by combining share memory and reliable signal as well as atomic variables to realize share memory lock mechanism.
     随着上网用户的激增,电信级的Radius应用服务器的性能问题越来越受到关注,研究一种软件实现的稳定、高效多进程通讯的同步机制,解决可靠提升接入认证服务器整体性能的问题,现实中采用了共享内存结合可靠信号量和原子变量技术,实现共享内存锁机制,应用于Radius服务中,深入细致剖析共享内存锁机制是如何避免访问冲突的,提供了新的思路。
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  相似匹配句对
     TECHNOLOGY
     技术
短句来源
     Technology;
     技术
短句来源
     Network Variable Communication Technology of Fieldbus Control Systems
     现场总线控制系统的网络变量通信技术
短句来源
     Variable hydraulic energy-saving technology of loader
     装载机变量液压节能技术
短句来源
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  variable rate technology
Variable Rate Technology (VRT) has the potential to increase crop yields and improve water quality relative to Uniform Rate Technology (URT).
      
Phosphorus fertilizer was the only nutrient applied with the variable rate technology.
      
The N-Sensor can be connected to any fertiliser applicator that has variable rate technology.
      
The authors conclude that variable rate technology is profitable with high-value crops such as potatoes and sugar beets.
      
The authors suggest that variable rate technology is not an appropriate management strategy for this particular field.
      
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In this paper, the equation of anti-plane wave motion in a two-dimensional finite element model is first separated into two one-dimensional simultaneous equations by-means of the separating variable method, analytical solutions of the above equations are ob-tained. According to the solutions, various aspects of the wave propagation in the discrete model is finally systematically studied: dispersion, cut-off frequency, parasitic oscillation and appendent anisotropic properties of wave propagation. In addition,...

In this paper, the equation of anti-plane wave motion in a two-dimensional finite element model is first separated into two one-dimensional simultaneous equations by-means of the separating variable method, analytical solutions of the above equations are ob-tained. According to the solutions, various aspects of the wave propagation in the discrete model is finally systematically studied: dispersion, cut-off frequency, parasitic oscillation and appendent anisotropic properties of wave propagation. In addition, effects of time discretization on anti-plane wave motion are studied.

采用分离变量技术,将二维出平面(Anti-Plane)波动问题的有限元运动方程化为两个联立的一维方程,获得了这一离散模型中波动的解析解,由此对有限元离散模型中出平面波动问题进行了深入的研究。分析了出平面弹性波的频散、截止频率、寄生振荡和有限元离散化引起的波传播的附加的各向异性性质等,同时讨论了时域离散化对出平面波动规律的影响。

A study is made on the heat transfer of a fin with periodic change of finbase tempreature. Separation of variables is used for decomposing and combining the established goverving differential equations; while numerical calculation is used for solving them. The principle of invariant imbedding is applied to its steady state component;while the principle ofsuperposition is applied to its oscillatory component. In addition to theoretical significance,the results are of practical signficance to engineering design....

A study is made on the heat transfer of a fin with periodic change of finbase tempreature. Separation of variables is used for decomposing and combining the established goverving differential equations; while numerical calculation is used for solving them. The principle of invariant imbedding is applied to its steady state component;while the principle ofsuperposition is applied to its oscillatory component. In addition to theoretical significance,the results are of practical signficance to engineering design.

研究肋片根部温度作周期性变化时的传热规律.利用分离变量技术,对所建立的控制微分方程进行分解组合,并用数值计算方法进行求解,其中稳态部分应用不变插值原理,波动部分应用叠加原理.所得结果不但具有理论价值。而且对工程设计也有现实指导意义.

The optimization of the space pile foundation is a very difficult problem that consists of multiple variables,multiple cases and multiple constraint conditions,including cross-section, geometry,topology optimization and variable discretization. Pile number integer discrete variable and its topology optimization make this problem more complicated.The authors of this paper adopt the technology of pile number variable factor variable and succeed in building up the mathematic optimization model whose functions are...

The optimization of the space pile foundation is a very difficult problem that consists of multiple variables,multiple cases and multiple constraint conditions,including cross-section, geometry,topology optimization and variable discretization. Pile number integer discrete variable and its topology optimization make this problem more complicated.The authors of this paper adopt the technology of pile number variable factor variable and succeed in building up the mathematic optimization model whose functions are explicit and solve this problem by using a multiple-level algorithem, and accomplish topology optimization by connecting with Expert Engineering Library. The examples of application in situ which give satisfactory solution show the promising performance of this method.

空间桩基优化是一个设计变量多、工况多、约束条件多且包括截面、几何、拓扑及离散变量的优化问题.桩数整型离散变量及其拓扑优化使得问题更复杂.本文采用桩数变化系数变量技术后,建立了桩基优化显函数式的优化数学模型,采用分级优化求解,结合专家工程库进行拓扑优化,在现场的应用说明这个方法是有效的算法,并取得了满意的结果.

 
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