1·Western Europeans had also developed and put into use the magnetic compass, which helped when clouds obliterated both the Sun and the stars.
西欧人也已经发明并且使用了磁罗盘，当云彩同时遮住了太阳和星星时，它就能起作用。
2·The error of magnetic compass is not adjusted.
磁罗经的误差没有校正。
3·The creatures have their own inbuilt magnetic compass.
这些生物有它们内在的磁罗盘。
4·The needle of a magnetic compass points to the magnetic North Pole.
磁性罗盘上的指针指向北方磁极。
5·One of you asked this question. “Does a magnetic compass point to the North Pole?”
前段时间有观众向我们提问：“罗盘的指针真的指向北极吗？”
6·One of you asked this question. "Does a magnetic compass point to the North Pole?"
前段时间有观众向我们提问：“罗盘的指针真的指向北极吗？”
7·A combined heading system including a digital magnetic compass and a rate gyroscope is developed.
研制了一种由数字磁罗盘和角速度陀螺组成的组合航向系统。
8·A cell in the eye may be worth two in the beak, at least when it comes to a migratory bird's magnetic compass.
鸟的眼睛中的细胞可能会是鸟嘴里细胞价值的两倍，至少当谈到候鸟的磁性罗盘来说是这样。
9·The filter USES the measurements of three accelerometers and a magnetic compass to drive the state update.
滤波器用三个加速度计的测量量和磁罗盘来驱动状态的更新。
10·"They also have a magnetic compass that enables them to navigate thousands of kilometres, even at night," says Robson.
“它们还有磁性罗盘使它们能够航行成千上万里，即使在晚上。”罗布森说。