speed n. 1.快,迅速。 2.速率,速度。 3.(汽车的)变速器,排挡。 4.(胶片,照相纸)感光速度。 5.〔古语〕兴隆,成功。 6.〔美国〕甲基苯异丙胺(类毒品)。 7. 〔美口〕(大音量和强节奏的)“重金属”(电子)摇滚乐 (=speed-metal)。 More haste, less [worse] speed. 越急越慢,欲速反迟。 The ship has a speed of 30 knots. 这条船时速30海里。 Let's accelerate the speed of our community construction. 让我们加快我们社区建设的速度。 a top speed 最大速度。 a speed of escape [escape speed] 【火箭】第二宇宙速度,逃逸速度〔克服地球引力的速度〕。 a horse of speed 快马。 (at) full speed=at the top of one's speed 用全速,开足马力。 make speed 赶快,赶紧,加快。 put on full speed 用全速,开足马力。 with speed 迅速,赶快。 wish (sb.) good speed=wish good speed (to sb.) 祝…成功。 with all speed 用全速,开足马力。 vt. (sped , speeded) (常用 speeded) 1.催,使赶快,促进,快速送传。 2.〔古语〕使成功,使成就,使兴隆。 3.祝愿成功,祝一路平安。 4.调节速度,使保持一定速度。 Speed our boat forward. It's getting dark. 使我们的小船快速前进,天黑起来了。 It's time we speed the parting guests. 现在是我们去向离别的客人们祝福一路平安的时候了。 vi. 1.迅速前进,快行 (along down up across)。 2.进行;过日子。 3.〔美国〕(汽车司机)用规定以上的速度驾驶。 4.〔古语〕成功,兴隆。 The car sped directly to the village. 汽车一直地疾驶进入村子里。 I should like to know how you speed. 我很想知道您的好情况。 God speed you! 祝成功! speed ill 不顺利。 speed up 加快(机器等的)速度;使加紧做 (sth.) (speed up the work 加紧工作)。 speed well 顺利。
If an angle is changing with time, we may define an angular speed . 如果一个角随时间而变化,我们就可确定一个角速率。
Simulating calculation and analysis of the instantaneous angular speed in a diesel engine 柴油机瞬时转速的仿真计算与分析
The model considers as its states the helicopter vertical and horizontal velocities , vertical and horizontal displacements , and the rotor angular speed 其中的状态变量包括直升机的水平和垂直速度、水平和垂直位移以及旋翼转速。
The electro - hydraulic proportional control law is given . the laws of tracking control of displacement and speed of aircraft as well as tracking control of angle and angular speed of belt wheel are designed by means of state feedback linearization and quadratic performance index linear optimal control method . the robustness of the designed systems is analyzed , and arresting processes are simulated 给出了电液比例控制规律;利用状态反馈线性化及二次型性能指标线性最优控制方法分别设计了系统跟踪控制飞机位移与速度以及跟踪控制带轮转角与角速度的非线性控制规律;对所设计的拦阻系统进行了鲁棒性分析及拦阻过程仿真,仿真结果表明,通过选取适当比例系数或控制权系数,两种控制系统的控制效果及鲁棒特性均优于新型飞机拦阻系统。
In this study , the effect of rotating elliptical inner cylinder on the instability of flow field , the relationship between azimuthal wave speed and the angular speed of inner cylinder , and the so - called ' hysteresis ' will also be investigated experimentally 本文主要目的除了藉由实验比较椭圆与圆形截面内柱两种系统加速过程中不稳定发生时机、流场流况的差异外;对于所谓的迟滞现象于两系统中的发生过程亦将探讨,此外内柱几何形状所造成高阶不稳定于圆周方向的波形相速度变化,也是本文的探讨重点。
This paper introduces a method of calibrating and processing angular speed fluctuation in ni sampling system - pxi - 6281 , it accomplishes the acquisition of angular speed fluctuation by distortion of signal , analyzing fundamental wave , high order harmonic of angular speed feedback signal and calculating the amplitude ratio of base wave and high order harmonic 摘要利用ni的pxi - 6281高速数据采集卡来完成角速度波动信号的采集,借鉴信号失真度的概念,分析角速度反馈信号的基波和高次谐波大小,求取高次谐波与基波幅值比,作为角速度波动率。
Fully utilizing the character of the nonholonomic system , we control the movement of the trailers with two inputs - the velocity and angular speed of the tractor . after establishing the kinematics model , we get the optimal steering gain by analyzing the figures of path following with different steering gain 建立运动学模型后,通过对不同操舵系数下的轨迹跟踪仿真图分析,得到了最佳的操舵系数,根据这个系数我们设计了操舵机构,结合三点式的操舵模型对操舵原理进行了说明。
The position of the trajectory depends on the ratio of bead - to - fluid density , the ratio of bead - to - disc radius and the reynolds number which describes the operating conditions of the stirred media mill . by means of the beads motion in the calculation domain , the influence of different comminution operation parameters on comminution results is discussed . those parameters mainly include the beads size , beads density , stirrer angular speed and liquid density and viscosity etc . those parameters are optimized so that the comminution results are improved 通过研究研磨介质在计算域内的运动来探索不同的粉磨技术参数对粉碎效果的影响,这些粉磨技术参数主要包括磨介尺寸、磨介密度、搅拌盘速度、液流密度及粘度等;通过优化这些参数来达到提高搅拌盘式搅拌磨粉磨效果的目的。