The results of the method showed that the soil nutrient information database on the field was suitable for variable rate fertilization decision and management in precision agriculture.
应用实践表明：建立的田间土壤养分信息库可以应用于精确农业变量施肥的决策和作业管理。
A limit on the amount of interest that can be levied on a variable rate loan.
对可变利率贷款能够征收的利息额的限度。
The irrigation prescription map is the significant precondition for variable rate irrigation.
实现变量灌溉的重要前提是生成变量灌溉处方图。
The design of variable structure control based on the discrete variable rate reaching law is discussed.
研究基于离散变速趋近律的变结构控制设计问题。
The influences of softening modulus and elastic modulus on local damage variable rate depend on the flow stress level.
降模量及弹性模量对局部损伤变量率的影响取决于流动应力的大小。
This paper presents a variable rate reaching law for discrete variable structure system based on the attenuating control.
提出离散变结构控制系统基于衰减控制的变速趋近律。
Single code and multiple code transmission schemes which can provide variable rate services are presented in a WCDMA system.
WCDMA系统提出了单码和多码两种多速率传输方案。
Owing to the difference of soil water in the farm, variable rate irrigation can save water as well as raising economy benefit.
依据农田内土壤含水量的差异性，有针对性地进行变量灌溉，既可节约用水又可提高经济效益。
The thesis takes the research of the working accuracy and the influencing factors of variable rate sprayer system used in agriculture.
本文研究分析了农业变量喷雾系统的作业精度及其影响因素。
The variable rate of coefficient of variation (VR) could act as an important referential parameter for evaluating the variation degree of core collection.
变异系数变化率(VR)可以作为评价核心种质变异程度的重要参考参数。
Many lenders were yesterday highlighting moves to reduce the cost of so-called "standard variable rate" mortgages in the wake of the cut in interest rates.
央行降息后，许多机构昨日也降低其所谓的“标准可变利率”按揭贷款的成本。
The control and actualize system of variable rate fertilization consist of DGPS, Field Computer, Hydraulic Motor, Ground Sensing Radar and fertilizer assembly.
变量施肥的控制实施系统包括差分gps系统、田间计算机、液压马达、测速雷达和排肥器总成。
The special feature of variable rate reaching law is that it is directly proportional to the norm of state vector and can result in a sector-shaped switching region.
以变速趋近律为到达条件，可产生扇形切换区，并可期待原点的稳定性。
The mobile communication system can furthest fulfill its function if variable rate speech coding is adopted, and the very core of this coding is the adaptive technology.
在移动通信系统中采用变速率语音压缩编码，可以最大限度地发挥系统的效能，而变速率语音编码的核心技术就是自适应技术。
The geometrical parameters of individual leaves of variable rate leaf spring affect not only the rate and the stress distribution of the spring but also the variable rate range.
变刚度钢板弹簧中各叶片的几何参数（片长，片厚）不仅直接影响着板簧的刚度和各片的应力分布，而且还影响着变刚度区间的大小。
As for the reachable problem, in this paper, on the basis of the improved variable rate reaching law, exponential rate and extension control, a new hybrid control strategy is formed.
对于滑动模态的到达问题，提出了基于改进的变速趋近率、指数趋近率和可拓控制的组合控制策略。
The difference of soil nutrient between operation units can be learned from the maps, and the decision and operation for variable rate fertilization can be made according to the difference.
依此可以了解田间土壤养分差异，并根据该差异进行变量施肥决策和变量施肥作业。
The following thesis depicts the application of SD card on variable rate fertilizer applicator based on MCU. The software and hardware design and the document system in SD card are illustrated.
本文研究了利用SD卡对变量施肥机在施肥过程中的数据存储的问题，提出了软硬件设计方案，并对SD卡中的文件系统进行了介绍。
Variable rate home loans usually adjust once a year.
可变利率住房贷款通常会每年调整一次。
Compared with traditional methods of Variable Rate Fertilization, this paper gives an introduction of a new VRF method based on RS and GIS.
本文通过与传统变量施肥方法相比较介绍了基于RS和GIS的变量施肥方法及其在系统中实现。
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。
The localization of damage variable (rate) is investigated.
研究了损伤变量（率）的局部化特征。
Interest-rate swaps allow investors and borrowers to switch from a fixed rate to a floating, or variable, rate and vice versa.
息率互换合约[3](Interest Rate Swap)允许投资者和借债人把一个固定利率的合约与一个浮动(可变)利率的合约相交换；同样也允许反向操作。
Fertilizer prescription integrated soil nutrient distribution maps with variable -rate fertilization decision making model is built.
根据土壤养分分布图结合变量施肥决策模型，生成施肥处方图，为变量施肥的实施提供了依据。
The variation principles of the throw distance, flow rate and rotation speed of variable-rate sprinklers for precision irrigation on square area were given.
通过理论分析，给出方形喷洒域变量施水精确灌溉喷头的射程、流量和转速应服从的变化规律和计算公式。
As a specific application machine of the prescription map, the spinning disc spreader played a key role in the whole process of variable-rate fertilization.
圆盘式变量施肥机作为处方图的具体实施机具，在整个变量施肥过程中起着关键作用。
The effects of this variable-rate spray equipment on spray characteristics were studied.
并研究了此种变量喷雾装置的喷雾特性。
Based on the technology of ComGIS, the recommend system for variable-rate fertilization in precision agriculture was developed.
基于组件式GIS技术开发了精准农业变量施肥处方推荐系统。
The area spectral efficiency of fully loaded cellular radio communication systems with variable-rate transmission is investigated.
研究采用可变速率传输的满负荷蜂窝无线通信系统的面积频谱效率。
The area spectral efficiency of fully loaded cellular radio communication systems with variable-rate transmission is investigated.
研究采用可变速率传输的满负荷蜂窝无线通信系统的面积频谱效率。
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