Storms producing cloud to ground lightning (lightning that strikes the ground) in isolated thunderstorms or super cells (which can be very dangerous) produce some dramatic pictures.
风暴产生的云团和雷电交加的暴风雨会产生地面闪电(击向地面的闪电)，或者超级闪电(可能非常危险)会拍出极具效果的照片。
The spacitial distributions of lightning acativities were shown in Google Earth (GE). Meanwhile, the relationship between lightning day and ground lightning density had been investigated.
总结了雷电流幅值的累积概率分布，研究了雷暴日与地闪密度之间的关系。
Using high-speed photography, scientists have determined that there are two steps to the occurrence of lightning from a cloud to the ground.
利用高速摄影技术，科学家们已经确定了闪电从云层到达地面有两个步骤。
The channel is only a few centimeters in diameter, but that is wide enough for electrons to follow the channel to the ground in the visible form of a flash of lightning.
这个通道的直径只有几厘米，但它的宽度足以让电子以闪电这样看得到的形式随着通道到达地面。
Then a strong current of electrons follows that path from the cloud to the ground, and it is that current that illuminates the channel as the lightning we see.
然后一股强大的电子电流沿着这条路径，从云层到达地面，正是这种电流像我们看到的闪电一样照亮了通道。
A tangle of lightning, including multiple ground strikes, crackles in the Montana sky.
一团闪电在蒙大拿上空噼啪作响，数条闪电砸向地面。
Lightning strikes the ground near a dirt road somewhere in rural United States.
闪电击中了美国一条乡间泥路的地面。
Dr Kasparian thinks that more powerful lasers will be able to draw lightning to the ground.
Kasparian博士认为更强的激光可以引起云地闪电。
The lightning branches out in many different directions, causing one leader to make a connection with the ground, creating a bright return stroke.
闪电在许多不同的方向长出分叉，激发了一个先导与地面连接，制造了一次闪亮的回击。
Two large lightning bolts strike the ground near Las Cruces, New Mexico.
两道大闪电击中新墨西哥拉斯克鲁塞斯附近的地面。
During thunderstorms in parts of the western United States, rain often evaporates before hitting the ground, making the region vulnerable to brush fires from lightning hitting the dry earth.
在美国西部的一些地方，当暴雨来临时，雨水常常还没接触到地面就蒸发殆尽，当闪电击中干燥的地面时，这些地区经常发生由此而引发的灌木起火。
Many have been struck by lightning and burned to the ground. Others have been torched by marauding warlords.
许多建筑被闪电击中烧毁于地，另一些被军阀烧毁。
So when the lightning struck in 1988 and the fire started, it burnt close to the ground rather than in the trees.
所以当1988年一道闪电劈来时，大火开始蔓延。
Ball lightning sometimes rolls along the ground until it crashes into a tree or high wall.
有时，球状闪电在地上滚动，发出巨大的声响，直到碰到树木或高墙为止。
The ancient Greek god Zeus was said to control lightning, but today we know lightning comes from a difference in electrical charge between clouds and the ground or among clouds.
据说，是古希腊神宙斯掌控着闪电，而如今我们知道是云朵和地面或云朵之间的不同电荷引发了闪电。
The ground electric field produced by thunderstorm was studied by using field mill, lightning counter and weather radar.
本文介绍了利用电场仪、闪电计数器以及雷达对雷暴云地面电场进行观测的结果。
Meshed bonding enables a site to achieve a considerably lower ground resistance pathway for diverting direct lightning strikes to earth ground.
网状等电位连接能使现场得到一条相对较低的地阻路径，分流直击雷入地。
Oxidation will make ground-wire of lightning arrester rusty.
氧化（作用）会使避雷装置的接地线生锈。
The intrusion way of over-voltage like lightning into computer (electronic system) was intro- duced, and the protection methods against over-volt- age from circuits and ground were studied.
介绍了雷电等过电压侵入计算机（或电子设备）系统的途径，研究了如何防止由线路和地线进入的过电压。
The feature of electromagnetic wave produced on discharge process from thundercloud to ground is discussed. A non-cycle lightning current model is built to explain it.
讨论了雷云对地放电过程中的雷电流的特性，解释了非周期雷电流产生的电磁场的特性，并用一个雷电流实例进行了分析说明。
Today some people use lightning rods. these are long metal poles. people put them high up on the roofs of their houses. a wire runs from the rod down into the ground .
现如今有一些人使用避雷针，避雷针是一根长长的金属杆。人们把它们高高的放在房子上面，再用一根导线连接到地上。
The path lightning takes is formed step by step as it moves towards the ground, turning air into plasma.
当闪电冲向地面将空气变为等离子体时，它所经历的路径是逐步形成的。
The ground electric field, precipitation and radar data were analyzed and the influences of artificially triggered lightning on characteristics of thunderstorm were discussed.
利用地面电场、地面降雨和雷达资料就人工引发雷电对雷暴特性的可能影响进行了初步分析和讨论。
With such model the effect of tower structure, lightning current amplitude, angle of the lightning incidence, as well as the ground angle on the shielding failure rate are analyzed.
应用改进的电气几何模型分析了输电线路杆塔结构、避雷线和导线的布置、雷电流的幅值、地面倾角对绕击率的影响。
The results indicated that triggering height of artificially triggered lightning in altitude was 2 time higher than that of artificially triggered lightning flashes on the ground.
结果表明：空中触发闪电的触发高度比地面触发闪电的触发高度约大2倍。
In fact, now lighting will not hit the house. it hits the rod instead. The lightning goes down the rod and down the wire. it ends up in the ground. here, the lightning can't hurt anything.
事实上，这样的话闪电就不会击到房子上了，而是通过避雷针再通过导线传到大地。所以呢，闪电就无法造成伤害了。
When designing the system of the grading of the building, I define the level of grounding for lightening of the building. Then I design the lightning conductor of the roof and the ground wire.
在进行防雷接地设计时，先确定了其防雷等级，再对屋顶进行了避雷带的设计和负一层接地设计。
When designing the system of the grading of the building, I define the level of grounding for lightening of the building. Then I design the lightning conductor of the roof and the ground wire.
在进行防雷接地设计时，先确定了其防雷等级，再对屋顶进行了避雷带的设计和负一层接地设计。
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