1928 Roald Amundsen, Norwegian explorer and the world ′ s first man to reach the South Pole, was lost in the North Sea after a flying accident. 挪威探险家、世界上第一个到达南极的人罗阿尔·阿蒙森在北海一次飞行事故中遇难。
By using it the variable-pole motor ′ s winding is equivalent to full-pitch-winding, whether the motor ′ s pole changing or not. 用此原理设计的变极绕组,无论变极前后都等效于整距绕组。
Such nuclei spin on an axis like miniature tops, giving rise to a magnetic moment, which means the nuclei act as if they were bar magnets with a north and south pole. 这种原子核像缩微的陀螺围绕一根轴线自旋,产生磁性,像具有S极和N极的磁铁棒一样。
India is expected to be the new S Pole, and thus provinces in China near India will freeze and struggle, as northern Canada and Siberia do today. 印度估计成为新的北极,是以临远印度的省分会有极热战挣扎当敝象产死,便像目下现古的减拿除夜北部和西伯利亚所做一样。
Law can regulate people, s behaviors and it should take an active pole in patient safety system. 法律能引导和规范人们的行为,其在病人安全体系中应扮演积极的角色。
A advisable controlling method based on the sower ′ s working character and a strict rule of the swinging pole ′ s path control is designed. 根据播种器的工作特性,设计了双轴系统合理的控制方案,针对摆臂的动作要求设计了严格的摆臂行程控制策略。
During the hour of the pole shift, Brazil will be moving up toward the current N Pole, and India will be moving down toward the current S Pole. 在对极移的时刻里,巴西将往上朝着当前的北极移动,而印度将向下朝着当前南极移动。
Planet X is twisting the Earth's magnetosphere, absconding with its S Pole on occasion, or blasting the Earth with a hose of magnetons. 行星X正在扭曲地球的磁气圈,不时地使地球南极逃遁,或者用一阵磁子猛烈轰击地球。
Measure of Rapidly Replacing the Big Bell ′ s Suspender and Pulled Pole 快速更换大钟吊杆和拉杆的措施
The rise and development of urban economy circle is made up of the peak strength of today` s economy and becoming the "increasing pole" and "engine" of area economy. 国内外城市经济圈的兴起和发展,构成了当今经济发展的颠峰力量,成为区域经济发展的“增长极”和“发动机”。
The step through test and independent activity were used to observe effect of uneven constant magnetic field pole N and S on learning and memory impairment induced by hypobaric hypoxia. 用避暗实验法和自主活动法,分别观察了非均匀恒磁场N极、S极对急性低压缺氧引起的学习记忆障碍的影响。
A Primary Study on the Structure of the Forest Stands of Forest of Pinus yunnanensis and the Regular Pattern of Its Development PRELIMINARY DISCUSSION ON BIOMASS, TIMBER DIFFERENTIATION AND DENSITY EFFECT OF MASSON, S PINE POLE STANDS 云南松(pinusyunnanensis)林林分结构和生长规律的初步研究马尾松林杆材阶段生物产量和径级分化及密度效应初探
Such fault-tolerance results from locating the poles of the system in a prescribed region on the s-plane under each failure mode, i. e. the fault-tolerant pole assignment. 它是通过保证在正常及各种故障模式下系统的极点均处在s平面上某个可行区域之中,即容错极点配置而实现的。
Simulated Dynamic Analysis for Automobile ′ s Stable Pole 汽车稳定杆拟动态实验分析
Analysis of T S Characteristics of Shading Pole Induction Motors with Double Rotating Field Theory 用双旋转磁场理论分析罩极电动机性能
Preliminary discussion on biomass, timber differentiation and density effect of masson, s Pine pole stands 马尾松林杆材阶段生物产量和径级分化及密度效应初探
Objective To study the effect of the N pole and S pole of uneven constant magnetic field on tail thrombosis, plasma tissue plasminogen activator ( t-PA) and its inhibitor in mice. 目的研究不均匀恒磁场N极和S极对小鼠尾部血栓形成和血浆组织型纤溶酶原激活物(t-PA)及其抑制物(PAI)的影响。