liquid floated pendulous accelerometer
pendulous integrating gyro
penjing planted with pendulous trees
acceleration-insensitive gyroscope
closed-loop fiber optic gyroscope
directional gyroscope reference
Dynamically Tuned Gyroscope
动力调谐陀螺
动力调谐陀螺仪
动力调谐式陀螺
动调陀螺仪
动调陀螺
动调式陀螺
dynamically tuned gyroscope DTG