1) heading survey of ship magnetism
船磁方位测量
2) ship position and attitude measurement
船位与方位测量
3) ship's position measurement
船位测量
4) azimuthal survey
方位测量
1.
Comparison of the SISS with the others shows that the SISS solved the problem of conventional magnetic azimuthal surveying method in ferromagnetic casing,tubing,drill stem or magnetic formation,and its measurement precision is better than that of frame gyroscopes surveying system.
与传统的磁方位测量方法和框架式陀螺测量系统的比较结果表明,该系统克服了磁方位测量方法在套管、钻杆、油管以及在磁干扰地层中测定方位时存在的问题,其测量精度优于框架陀螺系统。
5) fix the bearings of a ship
测定船舶方位
6) take a ship's bearings
测定船只方位
补充资料：天文方位角(见大地天文测量)
天文方位角(见大地天文测量)
astronomical azimuth
哭骂措嘿羔一cal azi一彻见大地天文侧量。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条