So, speed, which is the scalar quantity is going to be just the magnitude of the vector, V.
因此，速度的大小即是,矢量V的模长。
But now notice, I can substitute now for this v squared, I can substitute the square of this that is the orbital speed and then I get M G over R.
现在注意我能,代替这个v平方，我能代入这个平方,那是轨道速度,然后得到MG在R上。
Out pops that speed with which you can escape the gravitational pull of capital M, which is the V square root of two times larger than this V.
逃离M的重力,所需的速度为,√2乘以,比逃逸速度小的。
V-valve dual-bearing structure, mechanical stability, high starting torque is small, to ensure the valve sensor with excellent sensitivity and speed.
型阀采用双轴承结构，机械稳定性高，启动扭矩小，保证了阀门具有极好的灵敏度和感应速度。
Unlike the better balanced straight-six or even the ultra-smooth V-12 engine, the humble four-cylinder generates an up and down vibration with a frequency of twice the crankshaft's rotational speed.
不像运行起来比它更稳定的直列六缸引擎或者极其流畅的V - 12引擎，卑微的四缸引擎会以一种比自身机轴转速高两倍的频率产生一上一下的振动。
It wasn’t the optional 7.5-liter Rocket V-8 with a Hurst-shifted four-speed that made this car so cool. Or the forward-facing third-row seat waaaaaaay in the back.
这辆车实在是太酷了，看看它居然标配带有四速切换模式的7.5升V8火箭发动机，再看看第三排座椅上可拆开的天窗。
Among a certain scope of parameters the tensile strength would ascend with the rotation tool speed and the value of R/V rising.
在一定参数范围内，随着搅拌头旋转速度R，R/V增加，抗拉强度极限值增加；
The experimental results of the V slope welding show that the system has highly response speed and control precision and the system can meet the requirements of the engineering application.
针对V型坡口的焊接试验证明，系统具有较高的响应速度和控制精度，完全能够满足实际工程的应用需要。
Small unshaped log residence of V-shaped wall cross section, which is fit for manual-making on site, can accelerate construction speed and has a good wall stability and seismic resistance.
不整形圆木小住宅建筑的墙体断面构造形式采用V字形凹槽，适宜现场手工加工，加快了施工进度，墙体稳定性好，抗震能力强。
The design of I/V converter module circuit, ADC module circuit, speed signal per revolution filter shaping module circuit, remote display module circuit and interface circuits are expounded.
详细阐述了I/V转换电路模块、模数转换采集电路模块、转速信号滤波整形电路模块和远端显示电路模块及接口电路的设计。
Single chip processor F-V interface unit is a unit of converting the output signal of speed transducer for 6k locomotive into input signal demanded by domestic ZTL-3 automatic train stop apparatus.
单片机f - V接口装置是用于将6K机车速度传感器输出信号转换为适合于国产ZTL - 3型自动停车装置输入要求的装置。
The author analyzed and studied the speeds of deep-V planning boat in trial, and some approaches to the speed problem arising from the sea trial were put forward on the basis of trial data.
通过分析深v型滑行艇的实艇在预试航过程中出现的航速问题，在总结实艇试航的各项技术数据的基础上，有针对地分析和研究产生问题的原因。
A series of experiments are designed of plunge cutting work-pieces with V-shaped cutters to investigate the impact of chip-ejection speed interference on cutting forces.
设计了一组用“V”字形刀具横切工件的切削试验，以验证排屑速度干涉对切削力的影响。
From this we see that the resistance to further acceleration becomes infinite when v approaches c-hence cis the ultimate speed.
从这个公式中可以看出，当v接近于c时，更进一步加速所产生的阻力变得无限大-所以c是极限速度。
As well as the rotate speed of V-press is adjusted conveniently for improving the dewater effect of V-press and heightening throughput of machine.
同时可以方便地调节机器的转速，改善了机器的脱水效果，提高了生产能力。
This paper introduces a control system which used to control a high speed sectional warper by taking advantage of PLC controller, general-purpose I. V. V.
介绍的控制系统综合利用可编程控制，变频控制及PID控制来实现整经机在高速运行时的恒线速要求。
The work spindle get four-grade rotate speed, which is driven by a couple of two-grade v-belt pulley.
由一对两级三角皮带轮传动工件主轴，使其获得四级转速；
V-belt automatic stepless gear system is widely used for motor scooters. Stepless speed change varies with different types of V-belt automatic stepless systems.
摩托车V带自动无级变速系统广泛用于坐式摩托车上，不同形式的V带自动无级变速系统实现自动无级变速的具体结构型式是不同的。
Accordingly, V-SARP protocol has advantages in ensuring network robustness and data transmission. It is more suitable for heavy load and high speed vehicular communication systems.
因此，V -SARP协议在保证网络健壮性和数据传输方面具有一定优势，更适用于网络负载较重、速度较高的车载通信系统。
The machines have four types of functional heads: vibration cutting head, creasing wheels, V-cutter, high speed milling Router, with drawing pen.
机器有四个功能头：振动刀切割头、压折线轮、V型切割头和高转速铣刀头。
The machines have four types of functional heads:vibration cutting headcreasing wheels V-cutter high speed milling Routerwith drawing pen.
机器有四个功能头：振动刀切割头、压折线轮、V型切割头和高转速铣刀头。
The automatic speed changer has a primary sheave, a secondary sheave, and a V-belt carried on the primary sheave and the secondary sheave.
自动变速 器包括主带轮、副带轮以及围绕主带轮和副带轮缠绕的V带。
The machines have the machines have three types of functional heads: vibration cutting head, creasing wheels, V-Cutter, high speed milling Router, with drawing pen.
机器有三个功能头：振动刀切割头、压折线轮和绘图笔。
The machines have The machines have three types of functional heads:vibration cutting head, creasing wheels, V-Cutter, high speed milling Router, with drawing pen.
机器有三个功能头：振动刀切割头、压折线轮和绘图笔。
The machines have The machines have three types of functional heads:vibration cutting head, creasing wheels, V-Cutter, high speed milling Router, with drawing pen.
机器有三个功能头：振动刀切割头、压折线轮和绘图笔。
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