directional gyroscope

• 定向陀螺仪,航向陀螺仪

directional gyroscope的用法和样例：

例句

1. He also tested the first rocket controlled by a gyroscope.
   他还试验了第一枚用陀螺仪控制的火箭。
2. This paper is a experimental report about Characteristics of the tracking rates of the gas-dynamic free rotor gyroscope.
   本文是有关动压气浮自由转子陀螺仪的跟踪速率特性的实验总结报告。
3. The gyroscope compass makes the vessels keep on the fixed course voluntarily.
   陀螺罗盘自动使船只保持在预定的航线上。