parabolic microphone是什么意思

job12242022-10-04 11:39:541条回答

已提交，审核后显示！提交回复

我不是楼主的xx 共回答了24个问题 | 采纳率87.5%: parabolic microphone
英[ˌpærəˈbɔlik ˈmaikrəfəun]
美[ˌpærəˈbɑlɪk ˈmaɪkrəˌfon]
抛物面传声器,抛物面反射传声器,抛物面反射器式传声器
[例句]Parabolic microphone ,across the square ,maybe?
抛物面反射式话筒,在广场对面,是吗?; 1年前

a parabolic arch has a span of 120 feet and a maximum height a parabolic arch has a span of 120 feet and a maximum height of 25 feet.choose suitable rectangular coordinate axes and find the equation of the parabola.then calculate the height of the arch at points 10 feet,20 feet,and 40 feet from the centre. 爱情痞子1年前2: 随便乱逛共回答了20个问题 | 采纳率100%

Let the equation of the parabola:y=ax²+bx+cIn accordance with the establishment of coordinates shown in FigureWhen x...

1年前查看全部