談?wù)?/c>的一直是狹義相對論,這種理論適用于在速度不變的情況下移動(dòng)的物體。
The laminar boundary layer behind a constant-speed shock wave moving through a dusty gas along a solid surface is studied.
本文研究當(dāng)激波沿著一個(gè)固體表面等速地穿越含灰氣體運(yùn)動(dòng)時(shí)所誘導(dǎo)的層流邊界層特性。
The paper also outlooks a vast application prospect of the low constant speed control technology in automated loading operating occasions.
還展望了低恒速控制技術(shù)在自動(dòng)化裝車作業(yè)場合的應(yīng)用前景。
The high speed extrusion behaviors of several polyolefine melts were investigated by a double capillary rheometer of constant speed type.
采用恒速型雙毛細(xì)管流變儀研究一批聚烯烴熔體的高速擠出行為。
The world fine provided in the same rank vehicle type the only sign to prepare the constant speed cruise and the overspeed preventer.
世嘉配備了同級別車型中唯一標(biāo)備了定速巡航與限速器。
To stay in orbit, an object must be traveling at a constant speed over Earth's surface.
要留在軌道上,一個(gè)物體必須以恒定的速度運(yùn)行于地球表面。
The paper introduces a modified trapezoid acceleration pattern with a constant speed part for loomrapier motion driven by cam.
本文提出了一種帶有等速運(yùn)動(dòng)的改進(jìn)梯形加速運(yùn)動(dòng)規(guī)律,用于凸輪傳動(dòng)的劍桿運(yùn)動(dòng)。
Constant speed up the industrialization of agriculture.
農(nóng)業(yè)產(chǎn)業(yè)化不斷加速。
travelling at a constant speed of 50 m. p. h.
以每小時(shí)50英里的恒定速度行駛
The ball is circling the central point at constant speed .
小球以恒速繞中心運(yùn)動(dòng)。
Constant-speed wire-feeding process and welding specification are regulated by speed regulation system composed of PWM controller.
利用PWM控制器構(gòu)成的調(diào)速系統(tǒng)對等速送絲過程及焊接規(guī)范進(jìn)行調(diào)節(jié);
once ( they are ) set in motion , objects will continue moving with constant speed in a straight line until some resistance makes them stop.
物體一旦開始運(yùn)動(dòng),就會(huì)保持勻速直線運(yùn)動(dòng),直到某種阻力使之停下來。
In the absence of force, a body will either remain at rest or continue to move with constant speed in a straight line.
沒有外力時(shí),物體或者保持靜止,或者繼續(xù)作等速直線運(yùn)動(dòng)。
Flux linkage equation is constituted, the electromagnetic transient of voltage equation with constant speed is gained.
建立了磁鏈方程,得到了轉(zhuǎn)速為常值時(shí)電壓方程的電磁瞬態(tài)解。
His completely modern regula automatically stabilized his now ferocious motor at a constant speed of the operator's choice.
他的這個(gè)完全現(xiàn)代的調(diào)節(jié)閥能夠自動(dòng)地把他那個(gè)現(xiàn)在已經(jīng)變得頗為暴躁的馬達(dá)穩(wěn)定在某個(gè)由操作者選定的恒定速度。
The testing mechanism is constructed of constant speed servo motor, torque sensor clamp, reduction gear, and off-central loading.
測試機(jī)構(gòu)包含定轉(zhuǎn)速伺服馬達(dá),扭力感測器固定座,減速齒輪以及偏心負(fù)載。
By-passing to control the pressure at a constant speed is easily accomplished, but it wastes power.
容易實(shí)現(xiàn)用旁通控制在恒定轉(zhuǎn)速下的壓力,但旁通浪費(fèi)能量。
It combines the motion via a 2-DOF seven bar mechanism. It is driven by a constant speed motor and a servo motor.
它是采用一個(gè)常規(guī)電機(jī)和一個(gè)伺服電機(jī)作為動(dòng)力源,通過一個(gè)平面二自由度七桿機(jī)構(gòu)合成后實(shí)現(xiàn)可控的輸出運(yùn)動(dòng)。
Manual - compressing belt keeps moving at a constant speed, regardless of main machine speed.
壓帶以恒定的速度輸送而不受機(jī)器運(yùn)行速度的影響。
This paper build induction machine based constant speed wind turbine model and DFIG based variable speed wind turbine model.
本文建立了基于普通異步發(fā)電機(jī)的恒速恒頻風(fēng)電機(jī)組與基于雙饋感應(yīng)發(fā)電機(jī)的變速恒頻風(fēng)電機(jī)組的模型;
He also developed a centrifuge governor to hold a steam engine at a constant speed.
他還開發(fā)了離心總督舉行蒸汽機(jī)以恒定速度。
This results on a typical logarithmic frequency scale in a constant speed.
這樣的結(jié)果對一個(gè)典型的對數(shù)頻率范圍在不斷加快。
By setting accelerative time, starting and ending position, the constant speed signal can adapt servo system of different requirements.
產(chǎn)生的等速信號設(shè)置了加速時(shí)間、起始點(diǎn)和終止點(diǎn),可以適應(yīng)不同需求的伺服系統(tǒng);
In this paper, the author discusses the technical method of winding the zinc-plating steel strip in constant speed controlled by computer.
提出了采用計(jì)算機(jī)控制實(shí)現(xiàn)鍍鋅鋼帶以恒定速度卷繞的技術(shù)方法。
Control Speed: The constant speed at which a vehicle can descend a given grade without the use of the vehicle foundation brakes.
控制車速:在不使用車輛制動(dòng)裝置的情況下能夠控制整車在給定的坡度等速下行。
Similarly, a quasiparticle in graphene always moves at a high constant speed, albeit about 300 times slower than the speed of light.
同樣地,石墨薄膜中的準(zhǔn)粒子一直以極高的速度移動(dòng),雖然比光速慢了大約300倍。
This ratio also means that an unpowered hang-glider flying at a constant speed moves 15 metres forward for every one metre it descends.
這個(gè)比例也意味著一架無動(dòng)力懸掛式滑翔機(jī)以恒定速率飛行時(shí)高度每下降1米,可以向前滑翔15米。
When the locomotive is traveling at a constant speed or idling, the battery rather than the diesel engine can power the motor.
當(dāng)火車頭在相對恒定速度下前進(jìn)或者空轉(zhuǎn)時(shí),這時(shí)電池就為馬達(dá)提供能量,柴油發(fā)動(dòng)機(jī)不工作。
you got sledge, it moves along with constant direction and constant speed until acted upon by a force.
它以不變的速度向同一方向運(yùn)動(dòng),直到受到外力的影響。