This speed range was chosen because it is when most collisions take place, especially rear-end shunts in slow-moving traffic.
之所以选择这样的速度范围，是因为大多数的碰撞都在此范围内发生，尤其是低速行驶时的追尾事故。
Experimental results show that the exhaust tuning chamber can improve the engine performance at the middle low speed range.
试验表明，采用排气调谐腔能有效改善发动机在中低速区的性能。
The results show that the waveform is suitable for a broad casting speed range and can meet the need of continuous casting production.
结果表明，这种非正弦振动波形具有较好的拉坯速度适应范围，能够满足连铸生产的要求。
Converter has the advantages of wide speed range, speed and high precision, quick response, high efficiency, easy operation, easy to interface with other equipment.
变频器具有调速范围宽、调速精度高、动态响应快、运行效率高、操作方便、易于同其他设备接口等优点。
The result shows that the dynamic performance of twelve-section control scheme is superior to that of six-section control scheme, especially in the low speed range.
结果显示，十二分区方案在动态性能方面，特别是在低速区，要明显优于六分区方案。
Stirring speed range: 40~200 R/Min, Impeller form: Push type of bicuspid spiral.
搅拌调速范围：40～200转/分，搅拌桨形式：二叶螺旋推进式。
It can also pump at the higher end of its speed range without fear of damaging the hose.
而且，即使它以最高的速度来工作，也不必担心软管会损坏。
The system USES hybrid flux model to make the rotor flux constant during full speed range.
为了保持转子磁通恒定，采用了混合式磁通模型，它可以保证全速范围内磁通观测的准确性。
But the main responses are chaotic, periodical and quasi-periodical motions in supercritical speed range.
在超临界转速区，系统响应以混沌、周期分频和拟周期为主要运动形式。
Firstly, the thesis defines the speed range of commercial vehicles traveled in mountain area in our country.
文中首先确定我国山区行驶时商用车辆的速度范围。
Within the supercritical speed range, the response of the rotor is periodical motion with the increase of amplitude.
在临界转速区，系统响应为周期运动，振幅相应增大。
Results show that two-phase SR motor can be designed to produce continuous torque characteristic in wide speed range.
结果表明，两相开关磁阻电动机可以在较宽的转速范围内保持连续的转矩特性。
But the step motor efficiency is low, the ability is not big, load drag pulse equivalent cannot too big, speed range is not big.
但步进电机的效率低，拖动负载的能力不大，脉冲当量不能太大，调速范围不大。
Stator resistance and pure integration are removed from the reference model, resulting in robust performance in wide speed range.
参考模型中不含定子电阻，并且避免了纯积分运算，因而在宽速度范围内具有较好的鲁棒性。
New selecting tables are defined based on the effect of torque reduction caused by zero voltage vectors in different speed range.
分析了零电压矢量在不同转速范围内对转矩的减小作用，并设计了新的选择表。
The flow-induced self-sustaining oscillation and standing wave resonance of protruding and trap cavities are studied at the low speed range.
本文研究了低流速范围内突出式和陷落式圆柱形腔的流激自持振荡和驻波共振问题。
The minimum cutting force appears in a cutting speed range, the cutting speed is better in this range for the cutting performance improvement.
在较高切削速度时，存在一段使切削力最小的范围，切削时切削速度应尽量选在这段范围内，改善切削效果。
Simulations show that the proposed observer can track rotor flux vector in a large speed range and be robust to the variable rotor time constant.
仿真结果表明该转子磁链观测器可以在较大速度范围内跟踪转子磁链矢量的变化，同时对变化较大的转子时间常数具有一定的鲁棒性。
High torque to weight ratio, high efficiency and wide speed range should be the qualities possessed of by the motor drive systems in Electric Vehicles.
电动汽车中的电机驱动系统应该具有高转矩重量比、高效率以及宽广调速范围等特点。
Research results indicate that there is an optimum grinding speed range during grinding PCD in which the lowest cost and higher efficiency can be realized.
研究结果表明，磨削pcd材料时存在一个最佳磨削速度范围，在此范围内磨削成本最低、磨削效率较高。
Having the space vector PWM as the core of servo system, it has qualities such as multi-interface, wide speed range, and good dynamic and static performance.
该系统以空间矢量pwm控制为核心，具有多种接口方式、宽调速范围和良好的动静态特性。
By adopting the new design of circuit loop with cross-multiplying terms, the precision of voltage and speed controlled will be enhanced in a wider speed range.
在电流环中引入了一组电流交叉乘积项计算出准确的轴电压控制值，实现控制系统在较宽的速度范围内满足较高的控制精度。
The sensorless of induction motor field-oriented control employing stator voltages and currents has difficulty in estimating rotor flux in the low-speed range.
在低速范围内，对无传感器感应电动机进行矢量控制时用定子电压和电流推算转子磁通是比较困难的。
Magnetism Msier is operated easily, non scale changes speed, can mix liquid precisely and stably in mide speed range, especially fit little samples experiments.
数显恒温测速磁力搅拌器操作简便，无级调速，能在较广的速度范围内对液体溶液进行精密稳定的搅拌，特别适合小体积样品的试验。
This paper presented an optimization design method of Combined PM-Reluctance Motor(CPMR) for extending speed range with constant output power used in electric vehicles.
提出了一种能够在宽调速范围内实现恒功率运行的电动汽车驱动用复合转子结构永磁磁阻（CPMR）电机的最优设计方法。
But the emphases of the design for an inverter-driven induction motor are the efficiency, power factor, elevated temperature in the variable speed range, and dynamic response.
而变频调速电机的设计重点是在调速范围内的效率、功率因数、温升，以及动态响应性能等。
By means of the tuning chamber, the tuning speed range of exhaust system is widened. Thus, the two-stroke petrol engine performance at the middle-low speed range can be improved.
本文采用加装排气调谐腔的方法，拓宽了摩托车用二冲程汽油机排气系统的调谐转速范围，有效地改善了发动机在中低速区的性能。
The benchmark rev equipment is designed to provide speed reference for tacho generator's testing, which has high velocity precision, wide speed range and stepless speed adjustment.
高精度转速源是为测速发电机的校准测试提供速度基准的驱动系统，具有转速精度高、调速范围宽及无级平滑调速的特点。
This paper analyzes how the relative errors of output speeds influences the steps of a geometrically stepped speed range and offers a suggestion on the permissible limits of the errors.
本文分析了转速相对误差对转速数列公比的影响，并提出转速相对误差允许值的建议。
This paper analyzes how the relative errors of output speeds influences the steps of a geometrically stepped speed range and offers a suggestion on the permissible limits of the errors.
本文分析了转速相对误差对转速数列公比的影响，并提出转速相对误差允许值的建议。
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