在地磁涡流中心处有成束的地磁线穿过表面。
There are bundles of meridians breaking through the surface at the center of this vortex.
参与者坐在涡流的中心，不会被泡沫颗粒碰到，但颗粒在塑料墙上形成的壮丽图案会让参与者仿佛被催眠般失去对时间的意识。
Seated at the eye of the storm, the visitor is untouched by the particles, but mesmerized by the spectacular patterns they form on the plastic walls.
确定振动是由入口调节门后中心涡流引起的气流周期性高脉动造成的。
Vibration is caused by periodic high pulsation of airflow resulted from the center eddy behind the inlet damper.
本文对圆柱形涡流室内气体流动进行了分析，导出了在室内气体流动轨迹呈螺线状进入室中心时的表达式。
The gas motion in a cylindrical swirl chamber is analysed and an expression with a spiral locus of air flow toward the chamber center is derived.
加大进气孔直径使进气中心涡流增强，燃油在一级燃烧室中蒸发量增加。
As the air inlet diameters increase, the intake central swirl is intensified and thus fuel evaporation in the first combustion chamber is improved.
并随即变为绕轴心向上的涡流，龙卷中的风总是气旋性的，其中心的气压可以比周围气压低百分之十。
And then up into the swirl around the axis, the wind always Tornado of the cyclone, its central pressure than the surrounding air pressure low 10 percent.
螺旋气道通过气门间隙与缸壁的气流相互作用也产生涡流，因此，涡流数取决于相应气缸中心的螺旋线方位。
Helical port also produces swirl by airflow interaction of valve gap and cylinder wall, so swirl number depends on helical line direction of relevant cylinder center.
结果表明：涡流导致涡流室中心区域气流膨胀是涡流管产生制冷效应的一个重要原因。
Results show that gas expansion in central region of vortex chamber caused by swirling flow is an important reason for the refrigerating effect of vortex tube.
磁粉芯经脱脂、热处理后纳米晶粉颗粒的间隙减小，使得磁粉芯涡流损耗上升和磁粉芯中心频率下移。
Degreasing and heat treatment can reduce the gap among nano-crystalline core particles, increase the vortex flowing loss and move down the frequency of core's center.
在电机轴中心钻有一个通风孔，利用电机风扇的风通过通风孔形成一气流回路带走磁线圈和转子涡流损耗产生的热量。
An airway in the center bit of the electric engine axis is used for taking away the heat which the magnetic coil and rolling eddy current loss produce.
在电机轴中心钻有一个通风孔，利用电机风扇的风通过通风孔形成一气流回路带走磁线圈和转子涡流损耗产生的热量。
An airway in the center bit of the electric engine axis is used for taking away the heat which the magnetic coil and rolling eddy current loss produce.
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