distance-amplitude-curves

distance-amplitude-curves amplitude frequency amplitude amplitude什么意思? diurnal amplitude是什么意思 amplitude modulation是什么意思 have an amplitude of amplitude modulation是什么意思 low amplitude oscillating He could see the tall chimneys of the factory ______.A.from distance B.in distance C.in the distance D.to a distance 英语翻译下面是对一个函数里字母的解析Where F-----Amplitude of the force applied at the machinei----Sign of imaginary numbere-----Off-center distance of the exciting force from the machine center of gravityl-----Off-center distance of 英语难题,专家级14.---What’s the distance from here to the station?- ---It’s __________from here.　　A.two kilometre distance B.two kilometres’ distance　　C.distance of two kilometers D.distance of two kilometres’Twenty dollars ___ The picture looks better______.A．in the distance B．at a distance C．in a distance D．at the distThe picture looks better______.A．in the distance B．at a distance C．in a distance D．at the distance再给个解析 ___ is not a long way to drive.A.Three miles distance b.Three-mile distance c.Three miles' distance 为什么B不能选呢? One end of a horizontal string of linear density 4.8*10^-4kg/m is attached to a small amplitude mechanical 60-Hz vibrator.The string passes over a pulley,a distance L=1.40m away,and weights are hung from this end.What mass must be hung from this end magnitude和amplitude有什么区别? Distance是什么意思? distance education