magnetic north

The discovery of Magnetic North allowed man to explore the world .

磁北的发现让人们可以探索世界。

In the form of a card that rotates so that 0 degrees or North points to magnetic north .

一种旋转的像罗盘的片状指南针，所以零度或北方能够指向磁北。

The needle on a compass always points to magnetic north .

指南针的指针总指向磁北极。

That tells us which direction was magnetic north tens of thousands of years ago .

那会告诉我们数万年前那个方向是北极。

Magnetic north is something else .

磁北极就是另一回事了。

Normally it points toward magnetic north .

它通常指向地磁的北极。

A compass points to magnetic north – which is often in northern Canada .

罗盘的指针指向磁北极&通常位于加拿大北部。

The purpose of this dissertation is to research and design fast north-finding for the magnetic north finder .

本文以高精度磁悬浮寻北仪装置为研究对象，旨在研究和实现快速寻北。

An ordinary compass finds magnetic North easily-but is unreliable because Magnetic North changes with time and location .

一个普通的罗盘能够轻易地找到磁性北方-但并不可靠，因为磁性北方会随着时间和地点而改变。

Geographical lines do exist where true north and magnetic north are aligned , and these are called agonic lines .

当真北和磁北相吻合的时候，确实存在一些被称为无偏线的地理线。

For starters , the core 's motion could help explain why magnetic north and south periodically wander or reverse over earth 's history .

就像起动器一样，地核的运动有助于解释南北磁极周期性变换或历史上地球磁极的翻转原因。

The Role of Plain X-Ray Aiding Cochlear Implant the angle ( at a particular location ) between magnetic north and true north .

X线平片对人工耳蜗植入电极位置判定的意义（特殊位置上的）磁北与真北之间的夹角。

So , did the north pole drift slowly southward , so that at some point magnetic north was in , say Mexico city ?

北极会缓慢地变为南极，所以在某个阶段，磁极可能在墨西哥城？

The angle ( at a particular location ) between magnetic north and true north . This is fun , @ roars the North Wind .

（特殊位置上的）磁北与真北之间的夹角。北风吼叫着说：真好玩。

Kuo discovered that compasses do not point true north but to the magnetic north pole . This was a decisive step to make them useful for navigation .

沈括发现，指南针并不是真正的指向北方，而是指向地磁的北极，这对指南针用于导航走出了决定性的一步。

True north ( north according to the earth 's axis , not magnetic north ) The influence of tropical Indian Ocean warming on the Southern Hemispheric stratospheric polar vortex

热带印度洋增暖对南极平流层极涡的影响

The magnetic North and South poles have shifted before in the course of the planet 's history - one result being the last Ice Age . true north ( north according to the earth 's axis , not magnetic north )

在地球的历史进程中地磁北极和磁南极已经转换过-一种结果就是最后的冰河时期。

Our products are being sold in more than sixty countries covering West Europe , North Europe , Central Europe , South America , North America , Middle Asia and Africa . true north ( north according to the earth 's axis , not magnetic north )

本公司的产品在世界六十多个国家销售，遍及西欧、北欧、中欧、南美、北美、中东和非洲等地区。真北（以地轴北极为正北的，非磁极之北）。

It 's important to look at the spread of diseases throughout history to discover the causes and effects of epidemics . The magnetic North and South poles have shifted before in the course of the planet 's history - one result being the last Ice Age .

我们有必要回顾一下历史上疾病的传播，从而弄清楚传染病的起因和后果。在地球的历史进程中地磁北极和磁南极已经转换过-一种结果就是最后的冰河时期。

The Neural Network Control of the Magnetic Floating North Finder

磁悬浮寻北仪的神经网络控制

This dissertation is based on the high-precise magnetic floating north finder , which is newly designed by the Center for Control Theory and Guidance Technology of Harbin Institute of Technology .

本文以哈尔滨工业大学控制理论与制导技术研究中心最新研制的高精度磁悬浮寻北仪为研究对象。

Control and Analysis on a Single Degree of Freedom Magnetic Suspended Gyro North Finder

单自由度磁浮陀螺寻北仪的控制及分析

Gravity and magnetic characteristics of the north part of the Okinawa Trough and geological interpretation

冲绳海槽北段的重磁场特征及地质意义

The magnetic line on the north nearly uprights to our sight , and the southern is parallel to our sight .

北面的磁力线与观测者视线垂直，而南面的则与观测者视线平行。

The fundamental magnetic entities are magnetic dipoles . North magnetic poles repel .

基本的磁体是磁偶极子。磁北极与磁北极互相排斥。

The auto heterodyne appears as ship magnetic field makes a deflection angle between compass north and magnetic north so as to form auto heterodyne .

自差表现为船磁场致使罗经北偏离磁北方向一个夹角而产生自差。

Magnetic heading , the compass heading corrected for magnetic deviation but not magnetic variation ; thus , the heading relative to magnetic north .

磁航向，修正了磁偏转但未修正磁变，也就是相对于地球的北磁极的航向。

He principle of the magnetic heading measurement lies in the use of magnetic heading sensors to sense the heading of the moving object with respect to the magnetic north .

磁方向测量是利用磁方向传感器感测运动物体相对地磁北的方向角。