gyroscopic compass [航] [水运] 陀螺罗经 ; [航] [水运] 陀螺罗盘 ; [航] [水运] 回转罗盘 ; 电罗经
Plus the tablets may not conform to the Android Market requirements, such as having a built in GPS and gyroscopic compass on the device.
此外，这些小厂商生产的平板电脑可能也不符合Android市场的标准，例如内置gps和电子罗盘等装置。
The gyroscopic surveying instrument USES a gyroscope, compass card, plumb Bob, and modified movie camera.
陀螺测量仪由陀螺仪、罗盘、铅锤以及经过改造的电影摄像机等组成。
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