... swing wing aircraft 可变后掠翼飞机 swinging compass 校准罗盘 swirl 涡流 ...
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... swing-around trajectory 绕行星返地轨道 swinging compass 摆动罗盘 swirl sprayer 旋涡喷嘴 ...
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compass swinging rose 罗盘旋转刻度盘
swinging the compass 测罗差
magnetic compass swinging 测定磁罗差
·2,447,543篇论文数据，部分数据来源于NoteExpress
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。
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