三个接收天线（接收闪电放电辐射的超高频脉冲）分别放在一个垂直边长为120米的直角等腰三角形的顶点，由到达天线的时间差来计算接收到的闪电脉冲的方向。
The three antennas which receive VHF impulses emitted by a lightning discharge are placed on the vertices of a right-angled isosceles triangle with perpendicular sides 120 meters in length.
闪电是由云层放电产生的。
富兰克林的实验表明闪电是一种放电。
Franklin's experiments showed that the lightning is an electrical discharge.
闪电是一种因为暴风云放电而产生的一种明亮闪光。
Lightning is a brilliant flash of light produced by an electrical discharge from a storm cloud.
那是因为闪电基本上是属于任何类型的放电现象，并没有明确的科学定义。
That's because lightning—basically any discharge of electricity—has no scientific definition.
富兰克林的实验表明闪电是一种放电。
Franklin 's experiments showed that the lightning is an electrical discharge.
闪电是一种放电时所发生的电力过剩电荷建立在云彩之中。
Lightning is a discharge of electricity that occurs when excess electrical charges build up in clouds.
闪电是常见的对流层大气火花放电现象。
Lightning is a common phenomenon of spark discharge of the air in the troposphere.
闪电，是一种在雨云之间或者雨云与地球之间肉眼可见的放电形式。
Form of visible electric discharge between rain clouds or between a rain cloud and the earth.
闪电是由雷雨产生的一种强放电现象。
Lightning is a bright flash of electricity produced by a thunderstorm.
闪电是由雷雨产生的一种强放电现象。
Lightning is a bright flash of electricity produced by a thunderstorm.
应用推荐