surveying compass的意思|示意

The gyroscopic surveying instru we are pirates, these data are stolen from youdao 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。

This paper gives a brief description of various kinds of facilities, reconnaissance and surveying, and design of transit marks of a swinging ground for magnetic compass adjust we are pirates, these data are stolen from youdao .

本文对磁罗经校正场的设备种类、勘察测量和标志设计等作了扼要的阐述。