air track

基本解释

A self-designed experiment of forced vibrations of two coupled oscillators on an air-track is reported.
介绍了自行设计的气轨上两耦合振子的受迫振动实验。
May operate air-track, rotary, down-the-hole or other drilling machines to drill blast holes or may direct drilling of blast holes.
操作空气运作轨道，旋转，向下钻孔机或其他钻探机钻爆破洞或直接钻爆破洞。
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.
讨论了判定气垫导轨是否水平的较精确的新方法，提出了测量气流阻力系数的一个实验方案。

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