one-third octave band center frequency是什么意思?这是一个坐标图表的横坐标代表意义的描述.但是不知道准确的意思.

one-third octave band center frequency是什么意思?这是一个坐标图表的横坐标代表意义的描述.但是不知道准确的意思. one third one third one third octave是什么意思 one third of one-third of z one- third less than one ...another...a third...还是the third ban at one third discount 是打几折? what’s one third and one half one third or one-third ?三分之一one third or one-third 哪个更常用写那什么时候该用one-third ？ octave bandwidth是什么意思 octave manual是什么 a third与one third 有什么异同 one third of population和one third of country的谓语为什么不同?为什么one third of population用ARE,而one third of country用IS ? ____is less than ___A One-third ;two-thirds B One-third;two-third C First-three;first-threes D One-third;one-three