磁石

The best presidents are like magnets below a piece of paper, invisibly aligning iron filings into a new pattern of their making.

最杰出的总统就像白纸下面的磁石，于无形间将铁屑排列成他所设的图案。

This accessory is designed for the assembly of the electro-magnets over the door, on the jamb and not on the header.

设计这个附件是为了透过门来组装电磁石，在旁柱上而不是在正头上。

Over 4000 years ago, the laboring people of ancient China noticed the attracting property of the natural magnet.

四千多年前，中国古代的劳动人民就注意到了天然磁石的吸引性质。

But this kind of science be like loadstone again, drawing on continuous quest of people for several a hundred years with thorough of research.

而这种科学性又像磁石一样，几百年来吸引着人们不断的探索与深入的研究。

Afterwards people discover the south North Pole characteristic of loadstone but invented mariner's compass.

后来 人们发现磁石的南北极特性而发明了指南针。

" Lesson of first hammer want to knock on the student's mind and start to stir up the spark of their thinking, or be like loadstone similar live student's prison ground attraction in prison."

"课的第一锤要敲在学生的心灵上，激发起他们思维的火花，或像磁石一样把学生牢牢地吸引住。"

He say:" I think to be in" four match the hospital" of Peking, I thought the life of the Peking Man, even is the bean milk that the Peking Man breakfast eat, twisted dough-strips, that has fun rarely, to me, all having the loadstone the huge attraction.."

他说："我想住在北京的"四合院"里，我想过北京人的生活，甚至是北京人早餐吃的豆浆，油条，那稀罕的玩儿，对我来说，都有磁石巨大的吸引力。。"

Love is the lodestone of life.

爱情是生活的磁石。

But the lodestone of distant horizons beckoned once again.

但远方地平线的磁石再次向她招手示意。

At the upper end of a ramp a magnetic lodestone 1 is mounted.

在高端坡道磁场天然磁石1 ）安装。

The concept of equivalent rotationally rigidity is offered and the formula of rotationally rigidity is obtained.

主要做了如下几个方面的工作：对伸臂位于顶部的单层框架—筒体模型进行分析，提出了等效转动约束的概念和转动约束刚度的表达式。

Male cats normally do not need aftercare with the exception of the night after the anesthetic.

男猫通常不需要善后除了晚上的麻醉。