驱动力

词组短语

driving force

与驱动力相关的网络例句 [注：此内容来源于网络，仅供参考]

Driving force of wheel on soft lunar soil is much different with wheel on the ground of the earth.Wheel sinks and slides easily on lunar soil.The driving force formula of wheel based on Bekker formula is much complex,for forecasting driving force,curve fitting based on least squares method was introduced to simplify formula driving force.The driving force can be calculated through measuring wheel sinkage and slide.

基于Bekker轮-地力学理论的车轮驱动力计算公式复杂，不适合直接计算，为实现车轮驱动力预测，为车轮驱动力优化提供计算基础，本文采用基于最小二乘法的数据拟合方法对车轮驱动力进行数值拟合计算，为实时的车轮驱动力预测提供可行的方法，从而实现对车轮驱动力的优化。

But the vegetations changes in plain zone were slower.(4) Study on the driving forces and driving mechanism of the change of vegetation cover in HHH zone The farmland vegetation area received the common drive of climate and the society factors, but climate factors were the main driving forces for annual harvest crop or biannual irrigated and dry harvest crop, and society factors were the main driving forces for biannual harvest crop or biyearly tri-harvest dry crop.

4黄淮海地区植被覆盖变化驱动力与驱动机制研究不同植被覆盖类型，其NDVI变化的驱动力不同：一年一熟粮作区植被覆盖变化受到气候和社会经济因子的共同驱动，但以气候驱动为主；一年两熟或两年三熟旱作区植被覆盖变化受到社会经济和气候因子的共同驱动，但在主要驱动因子中，社会经济的影响更大一些；一年水旱两熟粮作植被覆盖变化主要受气候因子驱动，同时，社会经济因子也会在一定程度上影响植被NDVI的变化。

But the vegetations changes in plain zone were slower.(4) Study on the driving forces and driving mechanism of the change of vegetation cover in HHH zoneThe farmland vegetation area received the common drive of climate and the society factors, but climate factors were the main driving forces for annual harvest crop or biannual irrigated and dry harvest crop, and society factors were the main driving forces for biannual harvest crop or biyearly tri-harvest dry crop.

4黄淮海地区植被覆盖变化驱动力与驱动机制研究不同植被覆盖类型，其NDVI变化的驱动力不同：一年一熟粮作区植被覆盖变化受到气候和社会经济因子的共同驱动，但以气候驱动为主；一年两熟或两年三熟旱作区植被覆盖变化受到社会经济和气候因子的共同驱动，但在主要驱动因子中，社会经济的影响更大一些；一年水旱两熟粮作植被覆盖变化主要受气候因子驱动，同时，社会经济因子也会在一定程度上影响植被NDVI的变化。

Researches show that the drive force characteristics of the electric tractor drive system based on series DC motor is close the ideal characteristics, the curves are concave, low speed with constant power, and high speed with constant torque; the electric tractor has large working speed under different shifts, but the extensive coincidence speed shows that the variable ratio of the gear is unreasonable; the maximum climbable gradient of this electric tractor is more than 30%, and does not need frequent shift when working for its extensive climbable gradient; there are many influence factors of continuous working time, which the more obvious factors are working speed and working load, the working time increases with the increase of the working speed and working load.2. Simulation researches on the drive characteristic of the electric tractor.

研究结果表明：基于串励直流电动机(来源：ABC21论文网www.abclunwen.com)的电动拖拉机电驱动系统的驱动力特性场接近理想驱动力特性场，其各挡下的驱动力特性是一组下凹的曲线，低速恒转矩，高速恒功率；同一行驶速度下所对应高挡驱动力大于低挡驱动力，这是由电机的调速特性决定的；电动拖拉机各个挡位下具有较广的稳定作业速度范围，但是各个挡位之间速度重合的范围较多，说明所用变速箱变速比与电动机匹配不合理；电动拖拉机最大爬坡度达到30%以上，并且各挡爬坡度变化范围较广，作业过程中不需要频繁换挡；影响电动拖拉机连续作业时间的因素较多，其中作业行驶速度和作业负荷影响最为明显，作业负荷越大，连续作业时间就越短，作业速度越快，连续作业时间就越短。2、电动拖拉机驱动特性仿真研究。

This dissertation first puts forward the model of driving force transformation which the contact region of stator and rotor is divided into three relative sliding areas such as braking—driving—braking by means of research on vibration characteristics of USM stator surface points and micro driving course to rotor, this model can explain variation regularity of USM load characteristics, moreover, simplified calculation formula of rotor driving force concerned with stator teeth is set up.

本文通过对行波超声马达定子表面各点的振动特性和定子对转子微观驱动过程的研究，首次提出将定子和转子接触区划分为制动区—驱动区—制动区三个相对滑动区的驱动力转换模型，这一模型能够解释超声马达负载特性变化规律，并建立了计及定子齿的转子驱动力计算简化公式，该式能应用于多于两个定子齿驱动的转子驱动力计算。

Because people yearns for the reason of cruel,be, it is the driving force of people devouringly, same, hungry, love and understanding also are driving force.

是由于人们渴望酷的原因，贪食是人们的驱动力，同样，饥饿、爱和理解也是驱动力。

In addition, multivariate statistics simulation models (the correlation and regression analysis) are employed to account for the relationship between the cultivated land changes and soci-economic factors.

在相关分析的基础上，运用相关分析法和多元回归法分析耕地面积变化和社会经济因素变化的关系，建立区域土地利用／覆被变化的驱动力模型，提出各个土地利用区的主导驱动力分类。

A novel cable climbing robot applied to cable maintenance was introduced. It is centered orientable wheel-based, omni-directional cable climbing robot. The climbing mechanism of the robot and its working process were described. The driving force needed was analyzed, and the critical force needed for maintaining robot staying cable was calculated. The eccentricity allowed between center of robot and cable axis when the robot moving on inclined cable was discussed, and the least eccentric magnitude was calculated.

提出了一种应用于缆索维护的爬缆机器人机构实现方案，该机器人采用中心可转向的轮式驱动；介绍了机构组成及工作原理，在建立缆索曲线约束模型的基础上分析了机器人的驱动力，计算出了机器人能够在斜缆上工作所需要的临界驱动力；讨论了机器人在斜缆上工作时机器人轴和缆索轴不重合而出现偏心的原因，提出了减小偏心的方法，并计算出了为保持机器人对斜缆的适应性所需要的最小偏心量。

So cooperative controlling of driving force of wheel is a key of trafficability on tough lunar terrain.Based on SQP algorithm,driving force of wheel was optimized. Optimization is based on restriction of moving safely and smoothly.The aim of optimization is to minimize power consume of motors and varying range of driving force.

本文基于序列二次规划算法优化摇杆-转向架式月球车车轮系统驱动力输出，建立保证月球车在月壤平稳安全通过的力学约束方程，以车轮驱动功率和驱动力变化最小为目标函数优化车轮驱动力输出，使月球车平稳前进的同时车轮驱动电机功率消耗最小，这对能源有限的月球车来说是很有意义的。

The researches on land use and driving forces is the frontier of geo-science, and it mainly studies the effect and action of natural driving forces and human driving forces on the change of earth system, and it is important content of the research area of contemporary international earth science and earth surface system.

土地利用变化与驱动力研究是地学研究的前沿问题，主要研究自然驱动力与人力驱动力对地球系统变化的影响和作用，是当代国际地球科学，尤其是地球表层系统研究领域的重要内容。

与驱动力相关的网络解释 [注：此内容来源于网络，仅供参考]

determining factors：驱动力

外交战略:Factors | 驱动力:determining factors | 影响因子:factors

driving force：驱动力

联合国统计局(UNSTAT)、联合国开发计划署(UNDP)、联合国环境规划署(UNEP)、联合国儿童基金会(UNICEF)和亚太经社理事会(ESCAP)参加,在"经济、社会、环境和机构四大系统"的概念模型和"驱动力(Driving Force)-状态(State)-响应(Response)"概念模型(DSR模型)的基础上,

Driving force coefficient：驱动力系数

Driving force 驱动力 | Driving force coefficient 驱动力系数 | Driving gear 主动齿轮;传动机构;行走装置

the driving force：驱动力

pure science 理论科学,纯科学 | the driving force 驱动力 | comparative validity 相对效度

capillary driving force：毛细管驱动力

capillary displacement ratio 毛细管准数 | capillary driving force 毛细管驱动力 | capillary effect 毛细管效应

motivity：驱动力

单调性 monotonieity | 驱动力 motivity | 基于多主体系统的建模方法 multi-agent based modeling

physical driving force：物理驱动力

physical distribution management 实体分配管理 | physical driving force 物理驱动力 | physical ecology 物理生态学

variation of soil quality driving force evalue：驱动力

地理信息系统:soil quality evaluation | 驱动力:variation of soil quality driving force evalue | 土壤质量评价:soil quality evalation

meiotic drive：减数分裂的驱动力

meiotic division 成熟分裂 | meiotic drive 减数分裂的驱动力 | meissen green 迈森绿

tractive force：驱动力

发动机中置后轮驱动 (MR) midship engine rear drive | 驱动力 tractive force | 阻力 resistance