air track

基本解釋

A self-designed experiment of forced vibrations of two coupled oscillators on an air-track is reported.
介紹了自行設(shè)計的氣軌上兩耦合振子的受迫振動實驗。
May operate air-track, rotary, down-the-hole or other drilling machines to drill blast holes or may direct drilling of blast holes.
操作空氣運作軌道，旋轉(zhuǎn)，向下鉆孔機或其他鉆探機鉆爆破洞或直接鉆爆破洞。
A new method for adjusting the horizontality of an air-cushion-track is discussed in this paper An experimental scheme of measuring the resistant coefficient is proposed.
討論了判定氣墊導(dǎo)軌是否水平的較精確的新方法，提出了測量氣流阻力系數(shù)的一個實驗方案。

In the late 1980s we deployed the new Doppler radar, the WSD-88, which can actually track the movement of air within a storm (and therefore pinpoint a tornado vortex).
FORBES: The Great Tornadoes Of 2011 Put In Perspective