... steering magnetic compass 操舵磁罗经 ; 驾驶磁罗经 magnetic compass adjustment 磁罗经校正 magnetic compass error 磁罗经差 ...
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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 adjustment.
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。
Steering by automatic pilot and by magnetic compass in stead of automatic pilot measure the exactness of magnetic compass by qualified calibrator and provide compass adjustment card.
自动驾驶仪操舵和用磁罗经代替自动驾驶仪，通过合格的校准器来测定罗经的正确功能并提供罗经校正卡。
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