查询词典 speed changer

The maximum speed of this kind of variable speed bicycle is 30 K/H .

这款赛跑自行车的最大时速是30 K/H 。

In many variable speed drives torque control is necessary but precise closed loop control of speed is not.

许多不同的速度运动，要精确控制扭矩控制车速不封闭循环。

Vaulters A's center of gravity undulates with slower speed than vaulter B's in its Locus; besides, the curve of the locus also shows that vaolter A has larger undulation. The slowness in speed and great scale of undulation are the direct Proofs that affect the score of A pole vaulter, s performance.

经研究分析的结果得到以下结论：一、从重心轨迹的曲线图可以发现A选手的起伏比B选手来得大，这个速度慢、起伏大即是影响最后助跑的水平速度与起跳插穴动作的连贯性与凖确性。

The random variation of the wind speed is main reason. This paper proposes a new method which based on the support vector machine and empirical mode decomposition to forecast the one-hour ahead wind speed.

随机变化的风速是风力资源难以利用的源头，本文提出基于经验模式分解的支持向量机模型进行小时风速预测研究。

The simulation of the vector control system for rotor flux orientation is studied in this paper. The modeling and simulation of the vector control system of speed and flux closed-loop with the torque inside loop are completed by applying electrical principles and the toolbox of Simulink and Power System in the Matlab software. The paper mainly introduces the modeling of the speed adjustment system and the setting of parameters of the controller. The obtained results of the simulation are close to actual situation, which proves the correctness of the modeling.

文章对按转子磁链定向的矢量调速系统进行了计算机仿真研究，运用Matlab的Simulink和Power System工具箱及面向系统电气原理结构图的仿真方法，实现了带转矩内环的转速、磁链闭环矢量控制系统的建模与仿真；重点介绍了调速系统的建模和调节器参数的设置，给出了矢量交流调速系统的仿真模型和仿真结果，仿真结果非常接近实际情况，说明了仿真模型的正确性。

In view of the tradition localization system and the velocimeter cannot simultaneously provide the position, the speed and the azimuth of the movement target, proposed one kind of movement target tracking speed and position state obtaining methods based on the time difference of arrival localization technology.

针对传统定位系统和测速仪不能同时提供动目标的位置、速度和方位的问题，提出了一种基于到达时间差定位技术的动目标跟踪的速度和方位等状态信息获取方法。

Flexo printing mechanism cards and membership cards making speed on the expansion of the dot is also a relatively significant impact on the speed of choice is a complicated issue, which should take into consideration the nature of the ink, particularly megnet of viscosimetry and dry, and publishes materials and high tensile strength, Business card printing and membership card when tassion, machine performance and other factors.

刚印机制卡和会员卡制息速度差网点的扩不小也有比力明显的感化，速度的拔取也是一个驳杂的事件，它答思考到油不朱的本质，不入格是粘度和潮不不安性，以及承印质料的抗张强度、制卡和会员卡制息时的压辛、机械本能机能等成不合。

In order to improve the speed of whole ADC and largely reduce the numbers of comparators, a type of high speed voltage comparator is designed.

设计了一种高速的电压比较器来提高整个转换器的速度，并且大大降低了比较器的数目。

The results show that the propagation delay is less than 1ns, the ratio of input and output impedance is up to 10〓, realizing a little insert dissipation at high-speed operation, laying a solid foundation for the materialization of high-resolution one-way analog switch A/D converter. 2. A new structure of the high-speed CMOS voltage comparator circuit for the improved nonoffset cancel circuit, which can satisfy the needs of the 8-bit linearity.

模拟结果表明，基于CMOS工艺实现的BiCMOS单向模拟开关的传播延迟小于1ns，开关的输入输出阻抗比高达10〓以上，实现了高速工作下的极小插入损耗，为实现高精度单向隔离模拟开关分步法A/D转换器奠定了基础； 2、基于满足八位线性要求的前提，本文提出了一种改进的无失调取消电路的高速CMOS电压比较器新结构。

To meet requirement of production and quicken rolling speed, No.2 heating furnace was put into operation in 2002 and No.3 in 2007. All automatic control was adopted, displacement of walking beam was detected by displacement transducer, and acceleration and deceleration control of walking beam was carried out through proportional valve and by use of slope technique in program of GE 90-70 PLC, thus, travelling speed of walking beam can be controlled and lift and release of slab can be operated lightly.

为适应生产的需要，加快轧制速度，2002年投产的2号加热炉和2007年投产的3号加热炉均采用全自动控制，利用位移传感器检测步进梁的位移量，通过比例阀以及在GE90-70PLC程序中采用斜坡技术对步进梁运动进行加减速控制，达到控制步进梁运行速度的目的，实现对板坯的轻拿轻放。

Dixie itself is a nickname for the American South.

Dixie 本身是美国南部的别称。

I think John Terry epitomises that and a big reaction is what we will be looking for.

而我认为特里就是这样一个典型，他正是我们期望看到的那个领秀。