The North magnetic pole seems to be moving northward at an average rate of 1 0 kilometers per year.

北磁極似乎正在以平均每年10千米的速度向北移動国产射射爽爽。

We also know that the reason why compass can direct to southward is that the north magnetic pole of the earth places in Antarctic. Because we have the knowledge, we will not come up with new questions.

但如果是我們主觀運用不得法中文字幕亚洲图片，導致我們懶惰或其他不好的事情發(fā)生，那也只能怪罪運用它的人了，并不是工具本身的罪過欧美日韩口爆吞精一二区。

Earth's north magnetic pole is racing toward Russia at almost 40 miles (64 kilometers) a year due to magnetic changes in the planet's core.

由于地球核心的磁場變化91色偷偷色噜噜狠狠网站，地球北極的磁場正在以每年大約40英里（64公里）的速度奔向俄羅斯。

But our knowledge only skims the surface of the problem. A single example will serve to illustrate my point: It is true that because the north magnetic pole of the earth places in Antarctic so compass direct to southward, but why?

如果深入探究為何我們缺乏探究這種意識老师挤奶水A片无码网站，相比其他國家我們缺乏創(chuàng)新精神GOGO人体无码视频私拍，AlecXu提出來思路，就是我們的教育或者整個環(huán)境是主因人人操人人肉人人。

The phenomenon on issue of the ozone hole or ozone reduction in the South Pole or north hole and other midlatitude areas happens in recent years, and more and more attentions are paid to this big phenomenon caused by the human activities.

近些年來中国黄色网站大全免费看，南極地區(qū)、北極上空和其他中緯度地區(qū)都出現(xiàn)了不同程度的臭氧層耗損現(xiàn)象国产AV无码专区久久桃色，人類活動引起的大氣臭氧損耗日益得到大家的關注999精品无码一级A片。

We can go any here except the North and South Pole.

我們可以去任何除在這里南北極。

The round maps are polar stereographic projections that show the north or south pole in the center of the map and the equator at the edge.

這張圓形圖像是用極地立體投影拍攝的成人黄色视频在线播放1，北極或南極顯示在圖中央三上悠亚精品区在线看AV网站，赤道在邊緣。

Therefore this dissertation applies adaptive control technology to realize the digital control of magnetic north-seeking systems. The simulation results show that the pole assignment adaptive PID control method is superior to the classic PID control. This adaptive controller achieved the desire of system design, so the task of system design is accomplished.

結果表明在磁懸浮尋北儀系統(tǒng)的控制過程中在线精品自拍第一页，極點配置自適應PID控制方法明顯優(yōu)于普通PID控制方法www干，該控制器在穩(wěn)定性及抗干擾性等方面均達到了系統(tǒng)設計的要求，從而完成了系統(tǒng)設計的任務一级黄色日逼视频看看。

The pilot would have a long pole with a piece of meat fastened to the end of it .he would move the meat just ahead of the eagles and then east or west.north or south .

飛行員在長長的架空桿尾端系上一塊肉，他在老鷹的上空移動這塊肉亚洲欧美丝袜精品，向東或向西91在线精品，向北或向南。

The most jeopardize is causes the north and south the two-pole ice melting, causes the sea level rising.

最主要的危害就是導致南北兩極的冰蓋融化最新自拍偷拍精品视频，使海平面上升美女色又黄毛片在线看。