magnetic compass

Third Mate: We have sextants and magnetic compass on board the boat.

三副：救生艇上有六分仪和磁罗经。

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.

In the past, in the absence of magnetic compass, we used the North Star to guide us in the open sea;

过去，在磁性指南针没有出现之前，在广阔的海洋中我们依赖北极星来指引方向；

It is of course very useful for a migrating bird to be able to switch to a magnetic compass when clouds cover the sun; otherwise it would just have to land and wait for the sun to come out again.

具有这种磁场罗盘，对候鸟来说当然非常有用，因为如果乌云遮日，它可以以磁场为向导继续飞行，否则它就只好着陆，等待太阳重新出现。

A probe of how to correct magnetic compass autodyne by GPS

浅析用GPS校正磁罗经自差

Digital Magnetic Compass Autodyne Automatic Elimination Based on MSP430

基于MSP430的磁阻罗盘自差自动校正设计

Deviation equation of magnetic compass based on a set of trigonometric function

基于三角函数系的磁罗经自差校正方程

The instrument chiefly consists of telescope, magnetic compass and stabilizing apparatus.

该仪器主要由望远镜 、 磁罗盘和安平机构组成.

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 ? ”

Research and Development of Electronic Compass Sample Based on Magnetic Resistance Sensor

磁阻式精密电子罗盘样机研制

The first mention of magnetism and the equivalent of a magnetic compass are even earlier.

最早提到磁力和相当于磁力罗盘的书籍出现的时间甚至更早.

There were two guide instruments, magnetic compass and gyro compass , as nautical navigation all along.

一直以来作为船舶导航的指向仪器主要有两种:磁罗经和陀螺罗经.

Semi-au to matic Equipment for Rectifying Deviation of Magnetic Compass

磁罗经自差半自动测校装置

The creatures have their own inbuilt magnetic compass.

这些生物有它们内在的磁罗盘.

Application Research on the Integrated Navigation System of GPS/ Magnetic Compass

GPS/磁罗经导航系统应用研究

Magnetic Compass Autodyne Rectifying by Digital Magnetic Detector

基于数字磁力检测仪的磁罗经自差校正方法