The magnetic field forces the particles toward the north and south poles. 来自太阳的带电粒子闯入地球周围的保护性磁场后,地球磁场迫使它们向南北两极运动。
Scientists say the Northern Lights, a natural phenomenon called aurora borealis, is created by the sun's super hot atmosphere, which blasts particles into the protective magnetic field surrounding the Earth. The magnetic field forces the particles toward the north and south poles. 科学家解释说,北极光是一种由太阳超高温大气层所引起的自然现象。来自太阳的带电粒子闯入地球周围的保护性磁场后,地球磁场迫使它们向南北两极运动。
"magnetic field: Region around a magnet, electric current, or changing electric field in which magnetic forces are observable." 磁场:磁体、电流或变化电场周围可以观测到磁力的区域
A magnetic field exerts forces on such charged particles, too, sending them twirling around magnetic field lines. 磁场也会对这些带电粒子施力,使它们沿著磁力线快速旋转。
The boss operated like a general in charge of field forces. 领班行动起来象指挥野战部队的将军。
It was responding to a press conference by general Burton field, the commander of American forces in Japan, at which he called on China to respect the freedom of navigation. 它回敬了驻日美军司令博尔顿菲尔德(burtonfield)将军在记者招待会上呼吁中国“尊重航行自由”的说法。
In this new field, doctors have joined forces with engineers and biochemists to assemble living cells into spare parts for the human body. 在这一新领域,医生与工程技术人员和生物化学家齐心协力把活细胞装配成人体的备用部件。
Exploration of the Direction of Development of Chinese Track and Field Forces from the Olympic Track and Field's Performance 从奥运会田径成绩探索我国田径势力发展方向
In particular, just like elastic strings, the field lines exert tension forces when they are bent or curved. a tightly stretched cord of wire or gut, which makes sound when plucked, struck, or bowed. 特别是当磁力线被弄弯或扭曲时,就像有弹性的弦,会施展张力。一种当拨弄、弹击或弯曲时发出声响的金属线或肠线。
The contribution of induced magnetic field forces on collision term in a relativistic magnetized plasma 感应磁场力对相对论磁化等离子体碰撞项的贡献
Afterthe action of the additional longitudinal magnetic field, the forces acting on the LMJand the motion behaviour are changed. 指出在外加磁场引入之后,改变了液流束的受力状态和运动行为。
A Field of Join Forces: How Does Chinese Literary Criticism Break Through 合力之场:文学批评如何突围
Land-use change of Jinan spring field and its driving forces 济南泉域土地利用动态变化及驱动力研究
By using the above theory, the wind field and aerodynamic forces acting on the Hong Kong Ting Kau Bridge are obtained. 运用本文理论对香港汀九大桥进行了风场模拟和气动力计算,据此完成了大桥的抖振响应时程分析。
The growth of population and the oil field construction land are the driving forces of the increase of the construction land. 而建筑用地面积变化主要由人口的增长以及油田建设用地增加所决定。
The results agree with those in literature [ 6] generally. The electric field forces can accelerate the fluid in the boundary. 本文研究结果同文献[6]一致,即电场力总体上使边界层流动加速。
Within the field of ground effect, aerodynamic forces of the wing in surface effect crafts are not only decided by the angle of attack, but also by the flying height, and they lead to more complicated stability problems. 在地效作用区域内,地效飞机的气动力不仅与迎角有关,而且与飞行高度有关,因而其飞行稳定性问题更为复杂。
The combustion characteristics of the thermit in the presence of liquid phase in the field of gravitational forces were investigated. 研究了重力场作用下有液相生成的铝热剂的燃烧特性。
It is suggested that the strong earthquakes may be the result of compound of the near field and far field forces. 强地震的发生有可能是远场力与近场力各种复合作用的结果。
A theoretical model for cantilever conductive thin plates under externally lateral strong impulsive magnetic field was established with in-plane magnetic volume forces, magnetic field, eddy current field and deformation field included. 针对处于外加横向强脉冲磁场下的悬臂导电薄板,建立了计及面内电磁体力、磁场、涡电流场和变形场的理论模型。
Working mechanics of the gyro and physical theory of piezoelectricity are expatiated. According to optimum electrode collocation, electric field distribution and bearing forces of the microcosmic crystalloid unit are analyzed, which explain motivity of various vibrating modes of the quartz tuning fork 阐述陀螺的工作机理,说明压电效应的物理机制,根据电极优化配置的电场强度分布分析微观晶元的所受应力,说明了石英音叉各种振动模式的动力来源
Research on the key technology-the index of space technology of field forces vehicle location and navigation system in-depth, for features of vehicle navigation map data, made a new tree index Hilbert-R algorithm, describe the algorithm process detailed. 对野战部队车载定位导航系统中涉及的关键技术&空间索引技术进行了深入研究,针对车载导航地图数据的特点提出了一种新的Hilbert-R树索引算法,详细描述了该算法的实现过程。
Ion by the charge field forces generated by the vertical and the target surface, similar to fluid pressure in the fluid pressure generated. 离子受到的静电分离场产生的力垂直与靶的表面,这类似于流体力学中的流体压强产生的压力。
According to the current software and hardware development of the actual situation, complete field forces vehicle location and navigation system input, output and control part of the hardware. 根据当前软硬件发展的实际情况完成了野战部队车载导航系统的输入部分、控制部分和输出部分的硬件架构方案。
In virtual potential field method, attractive and repulsive forces control the self-deployment process of mobile sensor network together. The values of their coefficients are relative to spreading out effect of the networks. 在虚拟力方法中引力与斥力共同作用,控制着网络的自组织过程,其系数的确定与传感器网络展开的效果密切相关。
Just like other ocean engineering structures, artificial reefs on sea bottom are withstood by the hydrological environment effects responded by the current conditions, and then the perspective of flow field effect and forces stood are nearly correlated with theirs hydrodynamic capability under the ocean field conditions. 与其他海洋结构物一样,人工鱼礁在海底受到水流等水文环境因素的作用,其流场效应和受力状况与其自身的水动力学性能密切相关。
It is found that with increasing of magnetic field, normal forces of MR fluids increase and then gradually saturate, which can be fitted according to a magnetization mode. 在静态和稳态剪切下,发现磁流变液法向力随磁场增加逐渐增大并趋于饱和,对此提出了一种磁化模型进行拟合。
Author described in detail application of Kalman linear estimation of concrete series rigid frame bridge by editing program Matlab of Kalman filtering method for measurement of field linear and internal forces. 笔者通过编辑卡尔曼滤波法的Matlab程序针对现场线形和内力的测量,详细介绍了混凝土连续刚构桥的卡尔曼非线性估计法的应用。
Coupled multi-body dynamics with fluid calculation, a unsteady computation method for the flow field of multi-body with interactional forces is established. 将多体动力学求解方法与流场计算相耦合,解决了存在相互作用力的多个刚体的绕流的非定常求解方法。
With the increasing of simulated gravitational field, the pressures and forces on the load plate, tube and steel plate of the same displacement increase, but the increasing rates are different from those of gravitational field. 随着模拟重力场的增大,在载荷板、圆管、和拉板达到相同位移时候所受的力、压强等也相应的增大,但它们的增大倍数不同于重力场的增大倍数。