directional gyroscope的用法和樣例：
例句
- He also tested the first rocket controlled by a gyroscope.
他還試驗了第一枚用陀螺儀控制的火箭。 - This paper is a experimental report about Characteristics of the tracking rates of the gas-dynamic free rotor gyroscope.
本文是有關(guān)動(dòng)壓氣浮自由轉子陀螺儀的跟蹤速率特性的實(shí)驗總結報告。 - The gyroscope compass makes the vessels keep on the fixed course voluntarily.
陀螺羅盤(pán)自動(dòng)使船只保持在預定的航線(xiàn)上。
