speed n. 1.快,迅速。 2.速率,速度。 3.(汽車的)變速器,排擋。 4.(膠片,照相紙)感光速度。 5.〔古語〕興隆,成功。 6.〔美國〕甲基苯異丙胺(類毒品)。 7. 〔美口〕(大音量和強節奏的)“重金屬”(電子)搖滾樂 (=speed-metal)。 More haste, less [worse] speed. 越急越慢,欲速反遲。 The ship has a speed of 30 knots. 這條船時速30海里。 Let's accelerate the speed of our community construction. 讓我們加快我們社區建設的速度。 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 快馬。 (at) full speed=at the top of one's speed 用全速,開足馬力。 make speed 趕快,趕緊,加快。 put on full speed 用全速,開足馬力。 with speed 迅速,趕快。 wish (sb.) good speed=wish good speed (to sb.) 祝…成功。 with all speed 用全速,開足馬力。 vt. (sped , speeded) (常用 speeded) 1.催,使趕快,促進,快速送傳。 2.〔古語〕使成功,使成就,使興隆。 3.祝愿成功,祝一路平安。 4.調節速度,使保持一定速度。 Speed our boat forward. It's getting dark. 使我們的小船快速前進,天黑起來了。 It's time we speed the parting guests. 現在是我們去向離別的客人們祝福一路平安的時候了。 vi. 1.迅速前進,快行 (along down up across)。 2.進行;過日子。 3.〔美國〕(汽車司機)用規定以上的速度駕駛。 4.〔古語〕成功,興隆。 The car sped directly to the village. 汽車一直地疾駛進入村子里。 I should like to know how you speed. 我很想知道您的好情況。 God speed you! 祝成功! speed ill 不順利。 speed up 加快(機器等的)速度;使加緊做 (sth.) (speed up the work 加緊工作)。 speed well 順利。
If an angle is changing with time, we may define an angular speed . 如果一個角隨時間而變化,我們就可確定一個角速率。
Simulating calculation and analysis of the instantaneous angular speed in a diesel engine 柴油機瞬時轉速的仿真計算與分析
The model considers as its states the helicopter vertical and horizontal velocities , vertical and horizontal displacements , and the rotor angular speed 其中的狀態變量包括直升機的水平和垂直速度、水平和垂直位移以及旋翼轉速。
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 給出了電液比例控制規律;利用狀態反饋線性化及二次型性能指標線性最優控制方法分別設計了系統跟蹤控制飛機位移與速度以及跟蹤控制帶輪轉角與角速度的非線性控制規律;對所設計的攔阻系統進行了魯棒性分析及攔阻過程仿真,仿真結果表明,通過選取適當比例系數或控制權系數,兩種控制系統的控制效果及魯棒特性均優于新型飛機攔阻系統。
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實驗比較橢圓與圓形截面內柱兩種系統加速過程中不穩定發生時機、流場流況的差異外;對于所謂的遲滯現象于兩系統中的發生過程亦將探討,此外內柱幾何形狀所造成高階不穩定于圓周方向的波形相速度變化,也是本文的探討重點。
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高速數據采集卡來完成角速度波動信號的采集,借鑒信號失真度的概念,分析角速度反饋信號的基波和高次諧波大小,求取高次諧波與基波幅值比,作為角速度波動率。
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 建立運動學模型后,通過對不同操舵系數下的軌跡跟蹤仿真圖分析,得到了最佳的操舵系數,根據這個系數我們設計了操舵機構,結合三點式的操舵模型對操舵原理進行了說明。
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 通過研究研磨介質在計算域內的運動來探索不同的粉磨技術參數對粉碎效果的影響,這些粉磨技術參數主要包括磨介尺寸、磨介密度、攪拌盤速度、液流密度及粘度等;通過優化這些參數來達到提高攪拌盤式攪拌磨粉磨效果的目的。